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USD ($)

USD ($) / shares
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   &lt;!-- Begin Block Tagged Note 4 - lll:AcquisitionsAndDispositionsTextBlock--&gt;
   &lt;div style="margin-left: 0%"&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent; text-align: left"&gt;
   &lt;tr&gt;
       &lt;td width="2%"&gt;&lt;/td&gt;
       &lt;td width="98%"&gt;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top"&gt;
       &lt;td&gt;
       &lt;b&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;4.&amp;#160;&lt;/font&gt;&lt;/b&gt;
   &lt;/td&gt;
       &lt;td&gt;
       &lt;b&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;Acquisitions
       and Dispositions&lt;/font&gt;&lt;/b&gt;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       All of the business acquisitions are included in the
       Company&amp;#8217;s results of operations from their respective dates
       of acquisition.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;2010
       Business Acquisitions&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       During the year ended December&amp;#160;31, 2010, in separate
       transactions, the Company acquired four businesses for an
       aggregate purchase price of $755&amp;#160;million, which were
       financed with cash on hand. Based on preliminary and final
       purchase price allocations, the aggregate goodwill recognized
       for these businesses was $530&amp;#160;million, of which
       $472&amp;#160;million is expected to be deductible for income tax
       purposes. The goodwill was assigned to the Electronic Systems
       reportable segment. The Company also recognized identifiable
       intangible assets of $153&amp;#160;million in the aggregate, which
       consisted of $71&amp;#160;million for customer relationships,
       $67&amp;#160;million for technology, and $15&amp;#160;million for other
       identifiable intangible assets, primarily trade names. The
       identifiable intangible assets will be amortized over a weighted
       average useful life of 15&amp;#160;years. Customer relationships,
       technology and the other identifiable intangible assets will be
       amortized over their weighted average useful lives of
       18&amp;#160;years, 12&amp;#160;years, and 16&amp;#160;years, respectively. A
       description of each business acquisition made by the Company
       during the year ended December&amp;#160;31, 2010 is listed below:
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="text-align: left"&gt;
   &lt;tr&gt;
       &lt;td width="1%"&gt;&lt;/td&gt;
       &lt;td width="2%"&gt;&lt;/td&gt;
       &lt;td width="97%"&gt;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       On December&amp;#160;22, 2010, the Company acquired all of the
       outstanding stock of FUNA International GmbH (FUNA), a leading
       supplier of control and safety systems, communication systems
       and entertainment solutions for cruise ships, ferries, and mega
       yachts;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       On September&amp;#160;17, 2010, the Company acquired 3Di
       Technologies (3Di), a provider of highly specialized
       &lt;font style="white-space: nowrap"&gt;end-to-end&lt;/font&gt;
       secure communications utilized by forward-deployed
       U.S.&amp;#160;special operations and in-theater personnel. The
       purchase price for 3Di is subject to additional, contingent
       consideration not to exceed $11&amp;#160;million and is based upon
       3Di&amp;#8217;s post-acquisition financial performance through
       December&amp;#160;31, 2012. The Company recorded a $9&amp;#160;million
       liability on the acquisition date for the fair value of the
       contingent consideration, which was unchanged at
       December&amp;#160;31, 2010;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       On August&amp;#160;4, 2010, the Company acquired all of the
       outstanding stock of Airborne Technologies, Inc. (ATI), a
       provider of highly specialized aeronautical engineering
       expertise, manufacturing and operations support for unmanned
       aircraft systems;&amp;#160;and
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       On April&amp;#160;14, 2010, the Company acquired all of the
       outstanding stock of Insight Technology Incorporated (Insight),
       a manufacturer of mission critical night vision and
       electro-optical equipment.
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       At December&amp;#160;31, 2010, the purchase prices for Insight and
       ATI have been finalized and the Insight purchase price
       allocation has been completed. The final purchase price for 3Di
       and FUNA is subject to adjustment based on the closing date
       actual net assets. The final purchase price allocations for the
       ATI, 3Di, and FUNA business acquisitions are expected to be
       completed by the second quarter of 2011 and will be based on the
       final purchase prices and final appraisals and other analyses of
       fair values for acquired assets and assumed liabilities. The
       Company does not expect any of the differences
   between the preliminary and final purchase price allocations to
       have a material impact on its results of operations or final
       position.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;2009
       Business Acquisition&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       On January&amp;#160;30, 2009, the Company acquired all of the
       outstanding stock of Chesapeake Sciences Corporation (CSC) for a
       purchase price of $91&amp;#160;million in cash, which includes a
       $7&amp;#160;million net working capital adjustment, of which
       $6&amp;#160;million was for cash acquired, and a $4&amp;#160;million
       adjustment related to certain tax benefits acquired. The
       acquisition was financed using cash on hand. CSC is a developer
       and manufacturer of anti-submarine warfare systems for use
       onboard submarines and surface ship combatants. Based on the
       final purchase price allocation, the amount of goodwill
       recognized was $56&amp;#160;million, which was assigned to the
       Electronic Systems reportable segment, and is not expected to be
       deductible for income tax purposes.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;2008
       Business Acquisitions&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       During the year ended December&amp;#160;31, 2008, in separate
       transactions, the Company acquired four businesses and increased
       its ownership interest in a subsidiary for an aggregate purchase
       price of $264&amp;#160;million in cash, plus acquisition costs.
       These acquisitions were all financed with cash on hand. Based on
       preliminary and final purchase price allocations, the aggregate
       goodwill recognized for these businesses and increase in
       ownership interest was $191&amp;#160;million, of which
       $86&amp;#160;million is expected to be deductible for income tax
       purposes. The goodwill was assigned to the reportable segments
       listed below:
   &lt;/div&gt;
   &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 9pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent; text-align: left"&gt;
   &lt;!-- Table Width Row BEGIN --&gt;
   &lt;tr style="font-size: 1pt" valign="bottom"&gt;
       &lt;td width="80%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=01 type=maindata --&gt;
       &lt;td width="2%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=gutter --&gt;
       &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=lead --&gt;
       &lt;td width="16%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=body --&gt;
       &lt;td width="1%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=hang1 --&gt;
   &lt;/tr&gt;
   &lt;!-- Table Width Row END --&gt;
   &lt;!-- TableOutputHead --&gt;
   &lt;tr style="font-size: 8pt" valign="bottom" align="center"&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;Segment&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;December&amp;#160;31, 2010&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="font-size: 8pt" valign="bottom" align="center"&gt;
   &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="2" nowrap="nowrap" align="center" valign="bottom"&gt;
       &lt;b&gt;(in millions)&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 3pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;!-- TableOutputBody --&gt;
   &lt;tr valign="bottom" style="background: #cceeff"&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Electronic Systems
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       &amp;#160;&amp;#160;150
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom"&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Government Services
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       41
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom" style="font-size: 1pt"&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td style="border-top: 1px solid #000000"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td style="border-top: 1px solid #000000"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom" style="background: #cceeff"&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Total
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       191
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom" style="font-size: 1pt"&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td style="border-top: 3px double #000000"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td style="border-top: 3px double #000000"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       In certain instances, the purchase price is subject to
       adjustment based on post-acquisition financial performance not
       to exceed an aggregate amount of $1&amp;#160;million, as discussed
       below. Any such additional consideration will be accounted for
       as goodwill. A description of each business acquisition made by
       the Company during 2008 is listed below:
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="text-align: left"&gt;
   &lt;tr&gt;
       &lt;td width="1%"&gt;&lt;/td&gt;
       &lt;td width="2%"&gt;&lt;/td&gt;
       &lt;td width="97%"&gt;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       All of the outstanding stock of International Resources Group
       Ltd. (IRG) on December&amp;#160;3, 2008. IRG is an international
       professional services firm that provides specialized management,
       policy and training support in the areas of energy, environment
       and natural resource management, relief and reconstruction, and
       economic development to U.S.&amp;#160;Government agencies and
       international development organizations;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       All of the outstanding stock of G.A. International Electronics
       and subsidiaries (GAI) on July&amp;#160;25, 2008. Headquartered in
       Florida, GAI provides repair services and retrofit installation
       of navigation and communication systems for cruise vessels and
       cargo ships. The purchase price for GAI is subject to additional
       consideration not to exceed $1&amp;#160;million that is contingent
       upon its post-acquisition financial performance through
       July&amp;#160;25, 2011;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       All of the assets and liabilities of the Northrop Grumman
       Electro-Optical Systems (EOS) business on April&amp;#160;21, 2008.
       The EOS business is a provider of night vision technology and
       electro-optical products for military, commercial and public
       safety customers;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 10pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       On April&amp;#160;4, 2008, the Company increased its ownership
       interest in its Medical Education Technologies, Inc. (METI)
       business from 80% to 85% for a purchase price of
       $3&amp;#160;million. This business supplied human patient and
       surgical simulators, as well as related educational products. On
       October&amp;#160;8, 2008, the Company sold its 85% ownership
       interest in METI, as described below under 2008 Business and
       Product Line Dispositions;&amp;#160;and
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;!-- XBRL Pagebreak Begin --&gt;
   &lt;/div&gt;
   &lt;!-- END PAGE WIDTH --&gt;
   &lt;!-- PAGEBREAK --&gt;
   &lt;div style="margin-left: 0%"&gt;
   &lt;!-- BEGIN PAGE WIDTH --&gt;
   &lt;div align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
   &lt;b&gt;
   &lt;font style="font-family: 'Times New Roman', Times"&gt;
   &lt;/font&gt;
   &lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 0pt; font-size: 1pt"&gt;
   &lt;/div&gt;
   &lt;!-- XBRL Pagebreak End --&gt;
   &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="text-align: left"&gt;
   &lt;tr&gt;
       &lt;td width="1%"&gt;&lt;/td&gt;
       &lt;td width="2%"&gt;&lt;/td&gt;
       &lt;td width="97%"&gt;&lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       &lt;td&gt;&amp;#160;&lt;/td&gt;
       &lt;td&gt;    &amp;#8226;&amp;#160;
   &lt;/td&gt;
       &lt;td align="left"&gt;
       All of the outstanding stock of HSA Systems Pty Ltd. (HSA) on
       March&amp;#160;14, 2008. HSA is a provider of geospatial, marine and
       electronic systems for maritime and defense customers.
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       The Company has completed the purchase price allocations for all
       acquisitions made during 2008, except for those business
       acquisitions in which the purchase price is subject to
       adjustment, as described above. The final purchase price
       allocations were based on the final purchase prices, including
       the payment of contingent consideration, if any, and final
       appraisals and other analyses of fair values. The final purchase
       price allocations for these business acquisitions, compared to
       their preliminary purchase price allocations, did not have a
       material impact on the Company&amp;#8217;s results of operations or
       financial position.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;Unaudited
       Pro Forma Statements of Operations Data&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       The following unaudited pro forma Statements of Operations data
       presents the combined results of the Company and its business
       acquisitions completed during the years ended December&amp;#160;31,
       2010, 2009 and 2008, assuming that the business acquisitions
       completed during 2010 and 2009 had occurred on January&amp;#160;1,
       2009, and that the business acquisitions completed during 2009
       and 2008 had occurred on January&amp;#160;1, 2008.
   &lt;/div&gt;
   &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;table border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 9pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent; text-align: left"&gt;
   &lt;!-- Table Width Row BEGIN --&gt;
   &lt;tr style="font-size: 1pt" valign="bottom"&gt;
       &lt;td width="67%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=01 type=maindata --&gt;
       &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=gutter --&gt;
       &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=lead --&gt;
       &lt;td width="8%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=body --&gt;
       &lt;td width="1%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=hang1 --&gt;
       &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=gutter --&gt;
       &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=lead --&gt;
       &lt;td width="8%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=body --&gt;
       &lt;td width="1%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=hang1 --&gt;
       &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=04 type=gutter --&gt;
       &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=04 type=lead --&gt;
       &lt;td width="8%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=04 type=body --&gt;
       &lt;td width="1%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=04 type=hang1 --&gt;
   &lt;/tr&gt;
   &lt;!-- Table Width Row END --&gt;
   &lt;!-- TableOutputHead --&gt;
   &lt;tr style="font-size: 8pt" valign="bottom" align="center"&gt;
   &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="10" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;Year Ended December&amp;#160;31,&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="font-size: 8pt" valign="bottom" align="center"&gt;
   &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;2010&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;2009&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
       &lt;b&gt;2008&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="font-size: 8pt" valign="bottom" align="center"&gt;
   &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td colspan="10" align="center" valign="bottom"&gt;
       &lt;b&gt;(in millions, except per share data)&lt;/b&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr style="line-height: 3pt; font-size: 1pt"&gt;
   &lt;td&gt;&amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;!-- TableOutputBody --&gt;
   &lt;tr valign="bottom" style="background: #cceeff"&gt;
   &lt;td align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Pro forma net sales
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       &amp;#160;&amp;#160;15,854
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       16,047
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       15,071
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom"&gt;
   &lt;td align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Pro forma net income attributable to L-3
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       967
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       931
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       939
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;tr valign="bottom" style="background: #cceeff"&gt;
   &lt;td align="left" valign="bottom"&gt;
   &lt;div style="text-indent: -9pt; margin-left: 9pt"&gt;
       Pro forma diluted earnings per share
   &lt;/div&gt;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       8.36
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       7.87
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
       $
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
       7.60
   &lt;/td&gt;
   &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
   &amp;#160;
   &lt;/td&gt;
   &lt;/tr&gt;
   &lt;/table&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       The unaudited pro forma results disclosed in the table above are
       based on various assumptions and are not necessarily indicative
       of the results of operations that would have occurred had the
       Company completed these acquisitions on the dates indicated
       above.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;2010
       Business Disposition&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       On December&amp;#160;17, 2010, the Company divested the
       InfraredVision Technology Corporation (ITC) business, which was
       within the Electronic Systems reportable segment. The
       divestiture resulted in an after-tax loss of less than
       $1&amp;#160;million. The annual revenues of approximately
       $4&amp;#160;million, operating results and net assets of ITC were
       not material for any period presented and, therefore, the ITC
       divestiture is not reported as a discontinued operation. The net
       proceeds from the sale are included in investing activities on
       the Consolidated Statement of Cash Flows.
   &lt;/div&gt;
   &lt;div style="margin-top: 12pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       &lt;b&gt;&lt;i&gt;&lt;font style="font-family: 'Times New Roman', Times"&gt;2008
       Business and Product Line Dispositions&lt;/font&gt;&lt;/i&gt;&lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       On October&amp;#160;8, 2008, the Company divested its 85% ownership
       interest in METI, which was within the Electronic Systems
       reportable segment. The sale resulted in an after-tax gain of
       $20&amp;#160;million (pre-tax gain of $33&amp;#160;million), which was
       excluded from income from continuing operations. The revenues,
       operating results and net assets of METI were not material for
       any period presented and, therefore, were not reported as a
       discontinued operation.
   &lt;/div&gt;
   &lt;div style="margin-top: 10pt; font-size: 1pt"&gt;&amp;#160;
   &lt;/div&gt;
   &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 1%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"&gt;
       On May&amp;#160;9, 2008, the Company sold the Electron Technologies
       Passive Microwave Devices (PMD) product line, which was within
       the Electronic Systems reportable segment, and recognized an
       after-tax gain of approximately $7&amp;#160;million (pre-tax gain of
       $12&amp;#160;million), which was recorded as a reduction of cost of
       sales for products in the Consolidated Statement of Operations.
       The net proceeds from the sale are included in investing
       activities on the Consolidated Statement of Cash Flows.
   &lt;/div&gt;
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   &lt;div style="margin-left: 0%"&gt;
   &lt;!-- BEGIN PAGE WIDTH --&gt;
   &lt;div align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
   &lt;b&gt;
   &lt;font style="font-family: 'Times New Roman', Times"&gt;
   &lt;/font&gt;
   &lt;/b&gt;
   &lt;/div&gt;
   &lt;div style="margin-top: 0pt; font-size: 1pt"&gt;
   &lt;/div&gt;
   &lt;!-- XBRL Pagebreak End --&gt;
   &lt;/div&gt;
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