EX-21 16 file16.htm SUBSIDIARIES OF THE REGISTRANT

Exhibit 21

L-3 Communications Holdings, Inc. And Subsidiaries
As of December 31, 2007


Name Jurisdiction
ACSS — NZSC Limited* New Zealand
Advanced Systems Architectures (Holdings) Limited United Kingdom
Amplidan A/S Denmark
Apcom, Inc. Maryland
APSS S.r.l. Italy
Army Fleet Support, LLC* Delaware
ASA Technologies Limited United Kingdom
Astrid Energy Enterprises S.R.L* Italy
Aviation Communications & Surveillance Systems, LLC* Delaware
Aydin Foreign Sales Limited Guam
Aydin S.A.* Argentina
Aydin Yazilim ve Elektronik Sanayi A.S.* Turkey
Binary lonization Inc.* Delaware
Broadcast Sports Inc. Delaware
C3-ilex, LLC* California
Cayenta, Inc.* Delaware
Civilian Police International, LLC* Delaware
Combat Advanced Propulsion, LLC* Delaware
CPI Police Services, Ltd* Cayman Islands
D.P. Associates Inc. Virginia
Datron / Trans World Communications Int’l. Ltd. U.S. Virgin Islands
Debeg GmbH Germany
Debeg Versorgungseinrichtung GmbH Germany
Delta Lord Joint Venture* Florida
ELAC Nautik Unterstützungskaße GmbH Germany
Electrodynamics, Inc. Arizona
Electronic Space Systems International Corp. U.S. Virgin Islands
EMC S.r.l.* Italy
Engility Corp. Delaware
ESSCO Collins Limited* Ireland
EuroAtlas Gesellschaft für Leistungselektronik mbH Germany
FAST Holdings Limited* United Kingdom
FAST Training Services Limited* United Kingdom
Film Europe Limited* Belgium
Forfeiture Support Associates, LLC* Delaware
Global Military Aircraft Systems, LLC* Delaware
Henschel Inc. Delaware
Honeywell TCAS Inc.* Delaware
Horizons Technology International, Ltd. Barbados
International Aerospace Management Company Scrl* Italy
Interstate Electronics Corporation California
JovyAtlas Elektrische Umformtechnik GmbH Germany
J-R Technical Management, L.L.C.* Texas
J-R Technical Services Limited Partnership, L.L.P.* Texas
KDI Precision Products, Inc. Delaware



L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2007


Name Jurisdiction
L3 Communications Australia Proprietary Limited Australia
L-3 Canada Acquisition Inc. Canada
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 Applied Signal and Image Technology, Inc. Maryland
L-3 Communications ASA Limited United Kingdom
L-3 Communications Australia Group Pty Ltd 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
L-3 Communications Canada Inc. Canada
L-3 Communications CE Holdings, Inc. Delaware
L-3 Communications Cincinnati Electronics Corporation Ohio
L-3 Communications Corporation Delaware
L-3 Communications Crestview Aerospace Corporation Delaware
L-3 Communications CSI, Inc. California
L-3 Communications CyTerra Corporation Delaware
L-3 Communications Dynamic Positioning and Control Systems, Inc. California
L-3 Communications ELAC Nautik GmbH Germany
L-3 Communications Electron Technologies, Inc. Delaware
L-3 Communications Electronic Systems Inc. Canada
L-3 Communications EO/IR, Inc. Florida
L-3 Communications EOTech, Inc. Delaware
L-3 Communications ESSCO, Inc. Delaware
L-3 Communications Flight Capital LLC Delaware
L-3 Communications Flight International Aviation LLC Delaware
L-3 Communications Foreign Holdings, Inc. Delaware
L-3 Communications Geneva Aerospace, Inc. Texas
L-3 Communications Germany Holdings, LLC Delaware
L-3 Communications Global Network Solutions U.K. Ltd. United Kingdom
L-3 Communications Group Limited United Kingdom
L-3 Communications Holding GmbH Germany
L-3 Communications Holdings, Inc. Delaware
L-3 Communications Hong Kong Limited Hong Kong
L-3 Communications India Private Limited India
L-3 Communications InfraredVision Technology Corporation California
L-3 Communications Integrated Systems L.P. Delaware
L-3 Communications Investments Inc. Delaware
L-3 Communications Italy S.r.l. Italy
L-3 Communications Klein Associates, Inc. Delaware
L-3 Communications Korea Corporation South Korea
L-3 Communications Ltd. United Kingdom
L-3 Communications Magnet-Motor GmbH Germany
L-3 Communications Malaysia Sdn. Bhd. Malaysia



L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2007


Name Jurisdiction
L-3 Communications MAPPS Inc. Canada
L-3 Communications MAPPS Investments, LLC Delaware
L-3 Communications MAPPS Malaysia Sdn. Bhd. Malaysia
L-3 Communications Marine Holdings AS Norway
L-3 Communications Marine Systems UK Ltd. United Kingdom
L-3 Communications MariPro, Inc. California
L-3 Communications MAS (Canada) Inc. Canada
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 Nautronix Limited Australia
L-3 Communications Navigation AS Norway
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 Shared Services, LLC 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 TCS, Inc. Georgia
L-3 Communications Tinsley Laboratories, Inc. California
L-3 Communications U.K. Ltd. United Kingdom
L-3 Communications Valmarine AS Norway
L-3 Communications Vector International Aviation LLC Delaware
L-3 Communications Vermögensverwaltungs GmbH & Co. KG Germany
L-3 Communications Vertex Aerospace LLC Delaware
L-3 Communications Verwaltungs GmbH Germany
L-3 Communications Westwood Corporation Nevada
L-3 Global Communications Solutions, Inc. Virginia
L-3 Services, Inc. Delaware
L-Tres Comunicaciones Costa Rica, S.A. Costa Rica
LinCom Wireless, Inc.* Delaware
Lyngsø Marine A/S Denmark
McCorkills Marine Pty Ltd Australia
MCTI Acquisition Corporation Maryland
Medical Education Technologies, Inc.* Delaware
MGS Montage GmbH Germany
Microdyne Communications Technologies Incorporated Maryland
Microdyne Corporation Maryland
Microdyne Ltd. U.S. Virgin Islands
Microdyne Outsourcing Incorporated Maryland
Mosaic Mapping Inc.* Canada
MPRI International Services, Ltd. Bermuda
MVT Equity LLC* Delaware
Narda Safety Test Solutions GmbH Germany
Narda Safety Test Solutions S.r.l. Italy



L-3 Communications Holdings, Inc. And Subsidiaries (Continued)
As of December 31, 2007


Name Jurisdiction
Nautronix (Singapore) Pte Ltd Singapore
Nautronix Asia Pacific Pte Limited Singapore
New SI, LLC Delaware
Nordakademie gAG* Germany
Pac Ord Inc. Delaware
Power Paragon (Deutschland) Holding GmbH Germany
Power Paragon, Inc. Delaware
Sakon Calling Cards, LLC* New Jersey
Sakon, LLC* Delaware
SAM East Asia Ltd. Hong Kong
SAM Electronics GmbH Germany
SAM Electronics Japan Ltd. Japan
SAM Electronics Korea Co. Ltd. South Korea
SAM Electronics Nederland B.V. Netherlands
SAM Electronics Norge A/S Norway
SAM Electronics United Kingdom Ltd. United Kingdom
SAM Taihang Electronics Co. Ltd. China
Sovcan Star Satellite Communications Inc.* Canada
Spar Aerospace Limited Canada
SPD Electrical Systems, Inc. Delaware
SPD Switchgear Inc. Delaware
STN Schiffselektrik GmbH & Co. KG Germany
STN Schiffselektrik Verwaltungs GmbH Germany
Storm Control Systems Limited United Kingdom
Terra Cable Singapore Pte Ltd Singapore
Titan Deutschland GmbH Germany
Titan Facilities, Inc. Virginia
Titan Italia Srl Italy
Titan Systems Solutions UK Ltd. United Kingdom
Titan Wireless, Inc.* Delaware
TRL Electronics Limited United Kingdom
TRL Technology Limited United Kingdom
Troll Technology Corporation California
URS Coleman, LLC* Maryland
W.G. Schulz GmbH Germany
Wescam Air Ops Inc. Delaware
Wescam Air Ops LLC Delaware
Wescam Asia PTE Ltd.* Singapore
Wescam Financial (U.S.A.) LLC Delaware
Wescam Holdings (US) Inc. Delaware
Wescam Inc. Canada
Wescam LLC Delaware
* Represents a non-wholly owned subsidiary.