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Exhibit 21
GENERAL DYNAMICS CORPORATION
SUBSIDIARIES
AS OF JANUARY 31, 2025
Subsidiaries of General Dynamics Corporation (Parent and Registrant)			Place of Incorporation			Percent of Voting Power
American Overseas Marine Company, LLC			Delaware			100
Applied Physical Sciences Corp.			Connecticut			100
ARMA Global Corporation			Florida			100
Bath Iron Works Canada, LLC			Delaware			100
Bath Iron Works Corporation			Maine			100
Braintree I Maritime Corp.			Delaware			100
Braintree II Maritime Corp.			Delaware			100
Braintree III Maritime Corp.			Delaware			100
Braintree IV Maritime Corp.			Delaware			100
Braintree V Maritime Corp.			Delaware			100
Concord I Maritime Corporation			Delaware			100
Concord II Maritime Corporation			Delaware			100
Concord III Maritime Corporation			Delaware			100
Concord IV Maritime Corporation			Delaware			100
Concord V Maritime Corporation			Delaware			100
Convair Aircraft Corporation			Delaware			100
Convair Corporation			Delaware			100
CSC Computer Sciences Egypt LLC			Egypt			100
CSRA (Costa Rica) S.A.			Costa Rica			100
CSRA (Guyana) Inc.			Guyana			100
CSRA (Middle East) LLC			Virginia			100
CSRA Argentina S.R.L.			Argentina			100
CSRA Bahamas Limited			Bahamas			100
CSRA Belgium SRL			Belgium			100
CSRA BH d.o.o.			Bosnia and Herzegovina			100
CSRA Bolivia S.R.L.			Bolivia			100
CSRA Brasil Servicos de Tecnologia Ltda.			Brazil			100
CSRA Canada Inc.			Canada			100
CSRA Caribbean Inc.			Nevada			100
CSRA Chile SpA			Chile			100
CSRA Colombia SAS			Colombia			100
CSRA Consular Services Holding Company LLC			Nevada			100
CSRA Consular Services Inc.			Nevada			100
CSRA Consular Services India Private Limited			India			100
CSRA Consular Services Kenya Limited			Kenya			100
CSRA France SARL			France			100
CSRA Honduras, Sociedad Anonima			Honduras			100
CSRA Information Technology Spain, SL			Spain			100
CSRA Ireland Limited			Ireland			100
CSRA Italy S.R.L.			Italy			100
CSRA Kosovo L.L.C.			Kosovo			100
CSRA LATAM LLC			Virginia			100

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CSRA Mexico S. de R.L. de C.V.			Mexico			100
CSRA Netherlands B.V.			Netherlands			100
CSRA Paraguay, S.A.			Paraguay			100
CSRA Peru S.R.L.			Peru			100
CSRA Senegal SARL			Senegal			100
CSRA South Africa (Pty) Ltd			South Africa			100
CSRA State and Local Solutions LLC			Nevada			100
CSRA Trinidad & Tobago Limited			Trinidad and Tobago			100
CSRA Turkey Bilisim Teknolojileri Limited Sirketi			Turkey			100
CSRA Uruguay S.R.L.			Uruguay			100
CSRA Visa Services Israel Ltd.			Israel			100
CSRAIT - Information Services Portugal, Unipessoal LDA			Portugal			100
Customer Services Ecuador CSRA S.A.			Ecuador			100
DynPort Vaccine Company, LLC			Virginia			100
Eagle Enterprise, Inc.			Delaware			100
EB Groton Engineering, Inc.			Delaware			100
ELCS-CZ, s.r.o.			Czech Republic			100
Electric Boat - Australia, LLC			Delaware			100
Electric Boat - UK, LLC			Delaware			100
Electric Boat Canada, LLC			Delaware			100
Electric Boat Corporation			Delaware			100
Electric Boat France, LLC			Delaware			100
Electrocom, Inc.			Delaware			100
Expro Finance Inc.			Canada			100
Freeman United Coal Mining Company, LLC			Delaware			100
GD Arabia Limited			Saudi Arabia			100
GD European Land Systems - Steyr GmbH			Austria			100
GD European Land Systems Holding GmbH			Austria			100
General Dynamics - OTS (Global), Inc.			Delaware			100
General Dynamics AIS Australia Pty Ltd			Australia			100
General Dynamics Canadian Finance Inc.			Canada			100
General Dynamics Canadian Holdings Inc.			Canada			100
General Dynamics Commercial Cyber Services, LLC			Virginia			100
General Dynamics European Finance Limited			England and Wales			100
General Dynamics European Land Systems - Austria GmbH			Austria			100
General Dynamics European Land Systems – Bridge Systems GmbH			Germany			100
General Dynamics European Land Systems - Czech s.r.o.			Czech Republic			100
General Dynamics European Land Systems - Deutschland GmbH			Germany			100
General Dynamics European Land Systems - FWW GmbH			Germany			100
General Dynamics European Land Systems - Mowag GmbH			Switzerland			100
General Dynamics European Land Systems Botswana Proprietary Ltd.			Botswana			100
General Dynamics European Land Systems Denmark ApS			Denmark			100
General Dynamics European Land Systems Romania S.R.L.			Romania			100
General Dynamics European Land Systems, S.L.			Spain			100
General Dynamics Global Force, LLC			Delaware			100
General Dynamics Global Holdings Limited			England and Wales			100
General Dynamics Global Imaging Technologies, LLC			Delaware			100
General Dynamics Government Satellite Services, LLC			Delaware			100
General Dynamics Government Systems Corporation			Delaware			100

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General Dynamics Government Systems Overseas Corporation			Delaware			100
General Dynamics Information Technology Dominican Republic, S.A.S.			Dominican Republic			100
General Dynamics Information Technology Eagle, LLC			Delaware			100
General Dynamics Information Technology El Salvador, S.A.			El Salvador			100
General Dynamics Information Technology Guatemala			Guatemala			100
General Dynamics Information Technology Haiti, S.A.			Haiti			100
General Dynamics Information Technology Honduras, S. de R.L.			Honduras			100
General Dynamics Information Technology Kazakhstan, LLP			Kazakhstan			100
General Dynamics Information Technology, Inc.			Virginia			100
General Dynamics Information Technology Mauritania - SARL			Mauritania			100
General Dynamics Information Technology Nicaragua, C. de R.L.			Nicaragua			100
General Dynamics Information Technology Panama Holding, Inc.			Panama			100
General Dynamics Information Technology (Private) Limited			Zimbabwe			100
General Dynamics Information Technology Suriname N.V.			Suriname			100
General Dynamics Information Technology Togo SARLU			Togo			100
General Dynamics International Corporation			Delaware			100
General Dynamics Land Systems - Australia Pty. Ltd.			Australia			100
General Dynamics Land Systems - Canada Corporation			Canada			100
General Dynamics Land Systems - Canada Services Inc.			Canada			100
General Dynamics Land Systems - Canadian Services Limited			Canada			100
General Dynamics Land Systems - Force Protection Inc.			Nevada			100
General Dynamics Land Systems – Global LLC			Delaware			100
General Dynamics Land Systems Customer Service & Support Company			Texas			100
General Dynamics Land Systems Holdings LLC			Delaware			100
General Dynamics Land Systems Inc.			Delaware			100
General Dynamics Land Systems Polska, LLC			Poland			100
General Dynamics Limited			England and Wales			100
General Dynamics Marine Systems, Inc.			Delaware			100
General Dynamics Mission Systems International Limited			England and Wales			100
General Dynamics Mission Systems Overseas Company, LLC			Delaware			100
General Dynamics Mission Systems, Inc.			Delaware			100
General Dynamics Motion Control, LLC			Delaware			100
General Dynamics One Source, LLC			Delaware			100
General Dynamics Ordnance and Tactical Systems - Canada Inc.			Canada			100
General Dynamics Ordnance and Tactical Systems - Canada Valleyfield Inc.			Canada			100
General Dynamics Ordnance and Tactical Systems - Simunition Operations, Inc.			Delaware			100
General Dynamics Ordnance and Tactical Systems, Inc.			Virginia			100
General Dynamics OTS (Aerospace), Inc.			Washington			100
General Dynamics OTS (California), Inc.			California			100
General Dynamics OTS (DRI), Inc.			Alabama			100
General Dynamics OTS (Niceville), Inc.			Florida			100
General Dynamics OTS (Wilkes Barre), LLC			Pennsylvania			100
General Dynamics Overseas Systems and Services Corporation			Delaware			100
General Dynamics Properties, Inc.			Delaware			100
General Dynamics Robotic Systems, Inc.			Delaware			100
General Dynamics Satellite Communication Services, LLC			Delaware			100
General Dynamics Saudi Holdings, S.L.			Spain			100
General Dynamics Shared Resources, LLC			Delaware			100
General Dynamics Support Services Company			Delaware			100

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General Dynamics Swiss Financial Management Limited			England and Wales			100
General Dynamics United Kingdom Limited			England and Wales			100
General Dynamics Worldwide Holdings, Inc.			Delaware			100
General Dynamics-OTS, Inc.			Delaware			100
GM GDLS Defense Group, L.L.C.			Delaware			100
GPS Source, Inc.			Colorado			100
Gulfstream 100 Holdings LLC			Delaware			100
Gulfstream Aerospace Corporation (CA)			California			100
Gulfstream Aerospace Corporation (DE)			Delaware			100
Gulfstream Aerospace Corporation (GA)			Georgia			100
Gulfstream Aerospace Corporation (OK)			Oklahoma			100
Gulfstream Aerospace Corporation of Texas			Texas			100
Gulfstream Aerospace Hong Kong Limited			Hong Kong			100
Gulfstream Aerospace LLC			Delaware			100
Gulfstream Aerospace LP			Texas			100
Gulfstream Aerospace Services Corporation			Delaware			100
Gulfstream Aerospace, Ltd.			England and Wales			100
Gulfstream Aerospace, Sociedad de Responsabilidad Limitada de Capital Variable (S. de R.L. de C.V.)			Mexico			100
Gulfstream Austria, GmbH			Austria			100
Gulfstream Do Brasil Servicos De Suporte E Manutencao A Aeronaves Ltda.			Brazil			100
Gulfstream International Corporation			Delaware			100
Gulfstream Leasing LLC			Georgia			100
Gulfstream Product Support Corporation			Delaware			100
Gulfstream Services Corporation			Georgia			100
Gulfstream Tennessee Corporation			Delaware			100
Gulfstream-California, Inc.			Delaware			100
Hawker Pacific Asia Holdings Pte Ltd			Singapore			100
Information Services Consulting Limited			England and Wales			100
Interiores Aereos S.A. de C.V.			Mexico			100
International Manufacturing Technologies, Inc.			California			100
Iron EagleX, Inc.			Delaware			100
Janteq Australia PTY Limited			Australia			100
Janteq Corp.			Maryland			100
Jet Aviation (Asia Pacific) Pte Ltd			Singapore			100
Jet Aviation (Bermuda) Ltd.			Bermuda			100
Jet Aviation (Hong Kong) Ltd.			Hong Kong			100
Jet Aviation (Malaysia) MRO SDN BHD			Malaysia			100
Jet Aviation (Malaysia) SDN, BHD			Malaysia			100
Jet Aviation 125 Services, LLC			Delaware			100
Jet Aviation AG			Switzerland			100
Jet Aviation Airservices Limited			Hong Kong			100
Jet Aviation Airservices Limited			UAE			100
Jet Aviation Arabia Company Limited			Saudi Arabia			100
Jet Aviation Australia (QLD) Pty Ltd			Australia			100
Jet Aviation Australia Pty Ltd			Australia			100
Jet Aviation Bozeman, LLC			Montana			100
Jet Aviation Business Jets (Hong Kong) Limited			Hong Kong			100
Jet Aviation Business Jets AG			Switzerland			100

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Jet Aviation Business Jets FZCO			UAE			100
Jet Aviation Business Jets San Marino S.R.L.			San Marino			100
Jet Aviation Business Jets Singapore Pte Ltd			Singapore			100
Jet Aviation California, LLC			California			100
Jet Aviation Dulles, LLC			Delaware			100
Jet Aviation Flight Services, Inc.			Maryland			100
Jet Aviation France SAS			France			100
Jet Aviation French Polynesia			French Polynesia			100
Jet Aviation Holding GmbH			Switzerland			100
Jet Aviation Holdings USA, Inc.			Delaware			100
Jet Aviation Houston, Inc.			Texas			100
Jet Aviation International, Inc.			Florida			100
Jet Aviation Madrid, S.L.			Spain			100
Jet Aviation Malaga SA			Spain			100
Jet Aviation Management AG			Switzerland			100
Jet Aviation Milwaukee, LLC			Wisconsin			100
Jet Aviation Netherlands B.V.			Netherlands			100
Jet Aviation New Caledonia			New Caledonia			100
Jet Aviation NZ Limited			New Zealand			100
Jet Aviation of America, Inc.			Maryland			100
Jet Aviation Opa Locka, LLC			Florida			100
Jet Aviation Philippines CBO Corporation			Philippines			100
Jet Aviation San Juan, Inc.			Puerto Rico			100
Jet Aviation Savannah Holding, LLC			Delaware			100
Jet Aviation Scottsdale LLC			Arizona			100
Jet Aviation Services GmbH			Germany			100
Jet Aviation St. Louis, Inc.			Missouri			100
Jet Aviation Staffing, LLC			Delaware			100
Jet Aviation Teterboro, L.P.			New Jersey			100
Jet Aviation Texas, Inc.			Texas			100
Jet Aviation/Palm Beach, Inc.			Florida			100
Jet Aviation Vienna GmbH			Austria			100
Longreach Energy, LLC			Delaware			100
Material Service Resources Company, LLC			Delaware			100
Mediaware International Pty Ltd			Australia			100
Metro Machine Corp.			Virginia			100
Midwest Properties Sales, LLC			Delaware			100
NASSCO Holdings Incorporated			Delaware			100
National Steel and Shipbuilding Company			Nevada			100
Plane 79, LLC			Delaware			100
Praxis Engineering Technologies, LLC			Delaware			100
Quincy Maritime Corporation III			Delaware			100
Santa Barbara Sistemas S.A.			Spain			100
Savannah Air Center, LLC			Georgia			100
SERE, LLC			Maine			100
Southern Illinois Recovery, Inc.			Delaware			100
St. Marks Powder, Inc.			Delaware			100
Tecnologias Internacionales de Manufactura S.A. de C.V.			Mexico			100
The Depth of Ideas for General Trading, LLC			Iraq			100