EX-21 14 file14.htm SUBSIDIARIES OF THE REGISTRANT

Exhibit 21

L-3 Communications Holdings, Inc. And Subsidiaries
As of December 31, 2006


Name Jurisdiction
L-3 Communications Holdings, Inc. Delaware
L-3 Communications Corporation Delaware
Aviation Communications & Surveillance Systems, LLC* Delaware
ACSS — NZSC Limited* New Zealand
Honeywell TCAS Inc.* Delaware
C3-ilex, LLC* California
Combat Advanced Propulsion, LLC* Delaware
Electrodynamics, Inc. Arizona
Henschel Inc. Delaware
Hygienetics Environmental Services, Inc. Delaware
Interstate Electronics Corporation California
KDI Precision Products, Inc. Delaware
L-3 Canada Acquisition Inc. Canada
Wescam Inc. Canada
Film Europe Limited* Belgium
Mosaic Mapping Inc.* Canada
Wescam Asia Pte Ltd.* Singapore
Wescam Financial (U.S.A.) LLC Delaware
L-3 Communications Advanced Laser Systems Technology, Inc. Florida
L-3 Communications Aeromet, Inc. Oregon
L-3 Communications AIS GP Corporation Delaware
L-3 Communications Integrated Systems L.P. Delaware
Global Military Aircraft Systems, LLC* Delaware
L-3 Communications Vertex Aerospace LLC Delaware
Army Fleet Support, LLC* Delaware
J-R Technical Management, L.L.C.* Texas
J-R Technical Services Limited Partnership, L.L.P.* Texas
L-3 Communications Flight Capital LLC Delaware
L-3 Communications Flight International Aviation LLC Delaware
L-3 Communications Vector International Aviation LLC Delaware
L-3 Communications Applied Signal and Image Technology, Inc. Maryland
L-3 Communications Australia Group Pty Ltd Australia
L-3 Communications Nautronix Limited Australia
McCorkills Marine Pty Ltd Australia
Nautronix Asia Pacific Pte Limited Singapore
    Terra Cable Singapore Pte Ltd Singapore
Nautronix (Singapore) Pte Ltd Singapore
L-3 Communications Australia Proprietary Limited Australia
L-3 Communications Australia Pty Ltd Australia
L-3 Communications Avionics Systems, Inc. Delaware
L-3 Communications AVISYS Corporation Texas
L-3 Communications Aydin Corporation Delaware
Aydin Foreign Sales Limited Guam
Aydin S.A.* Argentina
L-3 Communications Global Network Solutions U.K. Ltd. United Kingdom
L-3 Communications Investments Inc. Delaware


L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2006


Name Jurisdiction
Aydin Yazilim ve Elektronik Sanayi A.S.* Turkey
L-3 Communications Canada Inc. Canada
L-3 Communications Electronic Systems Inc. Canada
L-3 Communications MAS (Canada) Inc. Canada
Spar Aerospace Limited Canada
International Aerospace Management Company Scrl* Republic of Italy
Sovcan Star Satellite Communications Inc.* Canada
L-3 Communications CE Holdings, Inc. Delaware
L-3 Communications Cincinnati Electronics Corporation Ohio
L-3 Communications Crestview Aerospace Corporation Delaware
L-3 Communications CyTerra Corporation Delaware
L-3 Communications Electron Technologies, Inc. Delaware
L-3 Communications EOTech, Inc. Delaware
L-3 Communications ESSCO, Inc. Delaware
Electronic Space Systems International Corp. U.S. Virgin Islands
ESSCO Collins Limited Republic of Ireland
L-3 Communications Foreign Holdings, Inc. Delaware
L-3 Communications Germany Holdings, LLC Delaware
L-3 Communications Vermögensverwaltungs GmbH & Co. KG Germany
L-3 Communications Government Services, Inc. Virginia
D.P. Associates Inc. Virginia
L-3 Communications Holding GmbH Germany
L-3 Communications ELAC Nautik GmbH Germany
ELAC Nautik Unterstützungskaße GmbH Germany
L-3 Communications Magnet-Motor GmbH Germany
Power Paragon (Deutschland) Holding GmbH Germany
EuroAtlas Gesellschaft für Leistungselektronik mbH Germany
JovyAtlas Elektrische Umformtechnik GmbH Germany
Astrid Energy Enterprises S.r.l.* Republic of Italy
Narda Safety Test Solutions GmbH Germany
PMM Costruzioni Electtroniche Centro Misure Radioelettriche S.r.l. Republic of Italy
    EMC S.r.l.* Republic of Italy
SAM Electronics GmbH Germany
Debeg GmbH Germany
Debeg Versorgungseinrichtung GmbH Germany
Lyngsø Marine A/S Denmark
Amplidan A/S Denmark
Nordakademie gAG* Germany
SAM East Asia Ltd. Hong Kong
SAM Electronics Japan Ltd. Japan
SAM Electronics Korea Co. Ltd. Korea
SAM Electronics Nederland B.V. Netherlands
SAM Electronics Norge A/S Norway
SAM Electronics UK Ltd. United Kingdom
SAM Taihang Electronics Co. Ltd.* China
STN Schiffselektrik Verwaltungs GmbH Germany
STN Schiffselektrik GmbH & Co. KG Germany
    MGS Montage GmbH Germany


L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2006


Name Jurisdiction
W.G. Schulz GmbH Germany
L-3 Communications Hong Kong Limited Hong Kong
L-3 Communications ILEX Systems, Inc. Delaware
L-3 Communications India Private Limited India
L-3 Communications InfraredVision Technology Corporation California
L-3 Communications Italy S.r.l. Republic of Italy
L-3 Communications Klein Associates, Inc. Delaware
L-3 Communications Korea Corporation South Korea
L-3 Communications Ltd. United Kingdom
L-3 Communications Group Limited United Kingdom
L-3 Communications U.K. Ltd. United Kingdom
    ASA Technologies Limited United Kingdom
        Advanced Systems Architectures (Holdings) Limited United Kingdom
            L-3 Communications ASA Limited United Kingdom
    TRL Electronics Limited United Kingdom
        TRL Technology Limited United Kingdom
L-3 Communications Malaysia Sdn. Bhd. Malaysia
L-3 Communications MAPPS Malaysia Sdn. Bhd. Malaysia
L-3 Communications MAPPS Inc. Canada
L-3 Communications MAPPS Investments, LLC Delaware
L-3 Communications Marine Holdings AS Norway
L-3 Communications Valmarine AS Norway
L-3 Communications Navigation AS Norway
L-3 Communications Marine Systems UK Ltd. United Kingdom
FAST Holdings Limited* United Kingdom
FAST Training Services Limited* United Kingdom
L-3 Communications MAS (US) Corporation Delaware
L-3 Communications Mobile-Vision, Inc. New Jersey
L-3 Communications Nautronix Holdings, Inc. Delaware
L-3 Communications Dynamic Positioning and Control Systems, Inc. California
L-3 Communications MariPro, Inc. California
L-3 Communications Nova Engineering, Inc. Ohio
L-3 Communications SafeView, Inc. Delaware
L-3 Communications Security and Detection Systems, Inc. Delaware
L-3 Communications Singapore Pte Ltd Singapore
L-3 Communications Sonoma EO, Inc. California
L-3 Communications SSG-Tinsley, Inc. Delaware
L-3 Communications Tinsley Laboratories, Inc. California
L-3 Communications TCS, Inc. Georgia
L-3 Communications Titan Corporation Delaware
Cayenta, Inc.* Delaware
Datron / Trans World Communications Int’l. Ltd. U.S. Virgin Islands
Engility Corp. Delaware
Horizons Technology International, Ltd. Barbados
LinCom Wireless, Inc.* Delaware
Sakon, LLC* Delaware
Sakon Calling Cards, LLC* New Jersey
Titan Deutschland GmbH Germany


L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2006


Name Jurisdiction
Titan Facilities, Inc. Virginia
Delta Lord Joint Venture* Florida
Titan Italia S.r.l. Republic of Italy
Titan Systems Solutions UK Ltd. United Kingdom
Titan Wireless, Inc.* Delaware
Storm Control Systems Limited United Kingdom
L-3 Communications Verwaltungs GmbH Germany
L-3 Communications Westwood Corporation Nevada
L-Tres Comunicaciones Cost Rica, S.A. Costa Rica
Medical Education Technologies, Inc.* Delaware
Microdyne Corporation Maryland
Microdyne Communications Technologies Incorporated Maryland
MCTI Acquisition Corporation Maryland
Apcom, Inc. Maryland
L-3 Communications CSI, Inc. California
Microdyne Ltd. U.S Virgin Islands
Microdyne Outsourcing Incorporated Maryland
MPRI, Inc. Delaware
Civilian Police International, LLC* Delaware
CPI Police Services, Ltd.* Cayman Islands
Forfeiture Support Associates, L.L.C.* Delaware
gForce Technologies, Inc. Massachusetts
MPRI International Services, Ltd. Bermuda
MVT Equity LLC* Delaware
New SI, LLC Delaware
Pac Ord Inc. Delaware
Power Paragon, Inc. Delaware
SPD Electrical Systems, Inc. Delaware
SPD Switchgear Inc. Delaware
SYColeman Corporation Florida
URS Coleman, LLC* Maryland
Wescam Holdings (US) Inc. Delaware
Broadcast Sports Inc. Delaware
L-3 Communications EO/IR, Inc. Florida
Wescam Air Ops Inc. Delaware
Wescam Air Ops LLC Delaware
Troll Technology Corporation California
Wescam LLC Delaware
Wolf Coach, Inc. Massachusetts
* Represents non-wholly owned subsidiaries.