Exhibit 21
L3 Technologies, Inc. and Subsidiaries
As of December 31, 2017
|
Name
|
Jurisdiction
|
|
AeroElite Limited
|
United Kingdom
|
|
Aerosim Academy, Inc
|
Florida
|
|
Aerosim Bangkok Company Limited
|
Thailand
|
|
Aerosim Technologies, Inc.
|
Minnesota
|
|
Aerosim Thai Company Limited
|
Thailand
|
|
Airline Placement Limited
|
United Kingdom
|
|
Airline Recruitment Limited
|
United Kingdom
|
|
Asian Aviation Training Centre Ltd.
|
Thailand
|
|
Aviation Communication & Surveillance Systems, LLC*
|
Delaware
|
|
Beijing MAPPS-SERI Technology Company Ltd.*
|
China
|
|
Calzoni S.r.l.
|
Italy
|
|
Combat Advanced Propulsion, LLC*
|
Delaware
|
|
CTC Aviation Group Limited
|
United Kingdom
|
|
CTC Aviation Holdings Limited
|
United Kingdom
|
|
CTC Aviation International Limited
|
United Kingdom
|
|
CTC Aviation Services Limited
|
United Kingdom
|
|
CTC Aviation Training (UK) Limited.
|
United Kingdom
|
|
DMRAC – Aviation Corporation-SGPS, Unipessoal Lda
|
Portugal
|
|
EAA – Escola de Aviação Aerocondor, S.A.
|
Portugal
|
|
Electrodynamics, Inc.
|
Arizona
|
|
ESSCO Collins Limited
|
Ireland
|
|
Exmac Automation Limited
|
United Kingdom
|
|
FAST Holdings Limited*
|
United Kingdom
|
|
FAST Training Services Limited*
|
United Kingdom
|
|
Flight Training Acquisitions LLC
|
Delaware
|
|
ForceX, Inc.
|
Tennessee
|
|
G4U – Gestão de Activos Aeronáuticos, Sociedade, Lda
|
Portugal
|
|
G Air Advanced Training, Lda
|
Portugal
|
|
G Air II Maintenance, Lda
|
Portugal
|
|
Honeywell TCAS Inc.*
|
Delaware
|
|
Kigre, Inc.
|
Ohio
|
|
Interstate Electronics Corporation
|
California
|
|
L3 Adaptive Methods, Inc.
|
Delaware
|
|
L3 Advanced Programs, Inc.
|
Delaware
|
|
L-3 Afghanistan, LLC
|
Delaware
|
|
L3 Applied Technologies, Inc.
|
Delaware
|
|
L-3 Army Sustainment, LLC
|
Delaware
|
|
L3 Australia Group Pty Ltd
|
Australia
|
|
L3 Aviation Products, Inc.
|
Delaware
|
|
L-3 Brasil Importação, Exportação e Comércio Ltda.
|
Brazil
|
|
L-3 Centaur, LLC
|
Delaware
|
|
L3 Chesapeake Sciences Corporation
|
Maryland
|
|
L3 Cincinnati Electronics Corporation
|
Ohio
|
|
L3 Commercial Training Solutions Limited
|
United Kingdom
|
|
L-3 Communications AIS GP Corporation
|
Delaware
|
|
L-3 Communications ASA Limited
|
United Kingdom
|
|
L-3 Communications Australia Pty Ltd
|
Australia
|
|
Name
|
Jurisdiction
|
|
L-3 Communications Flight Capital LLC
|
Delaware
|
|
L-3 Communications Flight International Aviation LLC
|
Delaware
|
|
L-3 Communications Holding GmbH
|
Germany
|
|
L-3 Communications Hong Kong Limited
|
Hong Kong
|
|
L-3 Communications India Private Limited
|
India
|
|
L-3 Communications Integrated Systems L.P.
|
Delaware
|
|
L-3 Communications Investments Inc.
|
Delaware
|
|
L-3 Communications Korea Co., Ltd.
|
South Korea
|
|
L-3 Communications Limited
|
United Kingdom
|
|
L-3 Communications Link Simulation and Training UK (Overseas) Limited
|
United Kingdom
|
|
L-3 Communications Magnet-Motor GmbH
|
Germany
|
|
L-3 Communications MAPPS Inc.
|
Canada
|
|
L-3 Communications MAPPS Malaysia Sdn. Bhd.
|
Malaysia
|
|
L-3 Communications Marine Systems UK Ltd.
|
United Kingdom
|
|
L-3 Communications Singapore Pte. Ltd.
|
Singapore
|
|
L-3 Communications U.K. Ltd.
|
United Kingdom
|
|
L-3 Communications Vector International Aviation LLC
|
Delaware
|
|
L-3 Communications Vertex Aerospace LLC
|
Delaware
|
|
L-3 CTC Aviation Leasing (US) Inc.
|
Delaware
|
|
L-3 CTC Aviation Training (US) Inc.
|
Delaware
|
|
L3 CTS Airline Academy (NZ) Limited
|
New Zealand
|
|
L3 CTS Airline and Academy Training Limited
|
United Kingdom
|
|
L3 Domestic Holdings, Inc.
|
Delaware
|
|
L3 Doss Aviation, Inc.
|
Texas
|
|
L3 Electron Devices, Inc.
|
Delaware
|
|
L3 ESSCO, Inc.
|
Delaware
|
|
L3 Foreign Holdings, Inc.
|
Delaware
|
|
L3 Fuzing and Ordnance Systems, Inc.
|
Delaware
|
|
L-3 Global Holding UK Ltd.
|
United Kingdom
|
|
L-3 International UK Ltd
|
United Kingdom
|
|
L-3 Investments, LLC
|
Delaware
|
|
L3 MariPro, Inc.
|
California
|
|
L3 Micreo Pty Limited
|
Australia
|
|
L3 Mobile-Vision, Inc.
|
New Jersey
|
|
L3 Oceania Pty Limited
|
Australia
|
|
L3 OceanServer, Inc.
|
Massachusetts
|
|
L3 Open Water Power, Inc.
|
Delaware
|
|
L-3 Saudi Arabia LLC
|
Saudi Arabia
|
|
L3 Security & Detection Systems, Inc.
|
Delaware
|
|
L-3 Security Equipment Trading (Beijing) Co., Ltd.*
|
China
|
|
L-3 Societa Srl.
|
Italy
|
|
L3 Technologies Australia Group Pty Ltd
|
Australia
|
|
L3 Technologies Canada Group Inc.
|
Canada
|
|
L3 Technologies Canada Inc.
|
Canada
|
|
L3 Technologies ESS Inc.
|
Canada
|
|
L3 Technologies Investments Limited
|
Cypress
|
|
L3 Technologies MAS Inc.
|
Canada
|
|
L3 Technologies UK Group Ltd
|
United Kingdom
|
|
L-3 Technology & Services UK Ltd
|
United Kingdom
|
|
Name
|
Jurisdiction
|
|
L3 Unidyne, Inc.
|
Delaware
|
|
L3 Unmanned Systems, Inc.
|
Texas
|
|
L3 Westwood Corporation
|
Nevada
|
|
L-Tres Communicaciones Costa Rica, S.A.
|
Costa Rica
|
|
MacDonald Humfrey (Automation) India Private Limited
|
India
|
|
MacDonald Humfrey (Automation) Limited
|
United Kingdom
|
|
MacDonald Humfrey (Automation) SEA PTE. Ltd.
|
Singapore
|
|
MacDonald Humfrey Automation Middle East Control Systems LLC
|
United Arab Emirates
|
|
MHA-Stopford Limited *
|
United Kingdom
|
|
Mustang Technology Group, L.P.
|
Texas
|
|
Narda Safety Test Solutions GmbH
|
Germany
|
|
Narda Safety Test Solutions S.r.l.
|
Italy
|
|
Power Paragon, Inc.
|
Delaware
|
|
SPD Electrical Systems, Inc.
|
Delaware
|
|
SPD Switchgear Inc.
|
Delaware
|
|
TRL Electronics Limited
|
United Kingdom
|
|
TRL Technology Limited
|
United Kingdom
|
|
Wescam Inc.
|
Canada
|
|
Wescam USA, Inc.
|
Florida
|
| * | Represents a non-wholly owned subsidiary. |