Private company

Aerojet Rocketdyne

Logo: Aerojet Rocketdyne, Public domain, via Wikimedia Commons4

American aerospace propulsion manufacturer

Aerojet Rocketdyne was a company, and later a subsidiary of American defense company L3Harris, that manufactured rocket, hypersonic, and electric propulsive systems for space, defense, civil and commercial applications. Aerojet traced its origins to the General Tire and Rubber Company (later renamed GenCorp, Inc.2 It is part of Aerojet Rocketdyne Holdings.1 It ceased to exist in 2026.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jun 2013Founded1
RS-68 rocket engine test
Photo: NASA, Public domain, via Wikimedia Commons5

Aerojet Rocketdyne was a company, and later a subsidiary of American defense company L3Harris, that manufactured rocket, hypersonic, and electric propulsive systems for space, defense, civil and commercial applications. Aerojet traced its origins to the General Tire and Rubber Company (later renamed GenCorp, Inc.2

Corporate structure

Aerojet Rocketdyne is part of a group headed by L3Harris Technologies. 136 entities, 30 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • L3Harris Technologies Melbourne, Florida, United States
    • L3 Technologies 100% · Melbourne, Florida, United States
      • CALZONI S.R.L. Subsidiary · Molinella, Italy
      • L-3 COMMUNICATIONS HOLDING GMBH Subsidiary · Munchen, Germany
      • L-3 COMMUNICATIONS KOREA CORPORATION Subsidiary · New York, New York, United States
      • L-3 COMMUNICATIONS U.K. LTD. Subsidiary · New York, New York, United States
      • L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P. Subsidiary · Wilmington, Delaware, United States
      • LEIDOS SECURITY DETECTION & AUTOMATION, INC. Subsidiary · New York, New York, United States
      • LEIDOS SINGAPORE PTE. LTD Subsidiary · Singapore, Singapore
    • Aerojet Rocketdyne Holdings Rancho Cordova, California, United States
      • Aerojet Rocketdyne Rancho Cordova, California, United States
      • Aerojet Subsidiary · Rancho Cordova
    • Wescam Melbourne, Florida, United States
    • L3Harris Integrated Mission Systems Australia Pty Ltd Subsidiary · 100% · Florida, Florida, United States
    • L3Harris MAS Inc Subsidiary · 100% · Mirabel, Quebec, Canada
      • L3Harris MAPPS INC. Subsidiary · Melbourne, Florida, United States
    • L3HARRIS SPACE AND AIRBORNE SYSTEMS AUSTRALIA PTY LTD Subsidiary · 100% · Melbourne, Australia
    • Aerojet International, Inc. Subsidiary · California, United States
    • Aerojet Rocketdyne of DE, Inc. Subsidiary · Delaware, United States
    • ARDE Barinco, Inc. Subsidiary · New Jersey, United States
    • ARDE, Inc. Subsidiary · New Jersey, United States
    • Calzoni S.r.l. Subsidiary · Italy
    • Cardova Chemical Company of Michigan Subsidiary · Michigan, United States
    • Cardova Chemical Company, Inc. Subsidiary · California, United States
    • Chemical Construction Corporation Subsidiary · Delaware, United States
    • Eagle Technology, LLC Subsidiary · Delaware, United States
    • Easton Development Company, LLC Subsidiary · California, United States
    • FAST Holdings Limited Subsidiary · United Kingdom
    • FAST Training Services Limited Subsidiary · United Kingdom
    • GDX LLC Subsidiary · Delaware, United States
    • GT & MC, Inc. Subsidiary · Delaware, United States
    • Harris Asia Pacific Sdn. Bhd. Subsidiary · Malaysia
    • HARRIS CANADA SYSTEMS, INC. Subsidiary · Mississauga, Ontario, Canada
    • Harris Cayman Ltd. Subsidiary · Cayman Islands
    • Harris Communications MH Spain, S. L. Subsidiary · Spain
    • Harris Communications Pakistan (Private) Limited Subsidiary · Pakistan
    • and 100 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

  • rocket engine

Listed on Wikidata.1

Subsidiaries and ownership

Parent company

Ultimate parent

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Acquisitions

  1. Succeeded Aerojet1
  2. Succeeded Pratt & Whitney Rocketdyne1

Timeline

  1. Aug 4, 2026Dissolved Dissolved1
  2. Jun 14, 2013Parent Directly consolidated by Aerojet Rocketdyne Holdings3
  3. Jun 2013Founded Founded1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$1.2B 2008–2026
Without federal contracts$216.3M 2023–2025
Without federal contractsWithout federal contracts, 2023–2025: $216.3M in all. Federal grants $216.3M.$0$100M$200M$300M2023 · Federal grants: $215.6M20232024 · Federal grants: $520.4K20242025 · Federal grants: $213.2K2025
Figures by year
YearFederal grantsFederal contractsTotal
2026–$31.4M$31.4M
2025$213.2K$69.9M$70.1M
2024$520.4K$103.9M$104.4M
2023$215.6M$111.9M$327.5M
2022–$119.3M$119.3M
2021–$79.3M$79.3M
2020–$107.7M$107.7M
2019–$121.7M$121.7M
2018–$77.2M$77.2M
2017–$53.6M$53.6M
2016–$54.6M$54.6M
2015–$26.3M$26.3M
2014–$3.9M$3.9M
2013–$381.9K$381.9K
2012–$79.6K$79.6K
2011–$1.7M$1.7M
2010–$1.7M$1.7M
2009–$4.7M$4.7M
2008–$11.0M$11.0M

Federal awards

Obligated amounts from USAspending.gov6, by calendar year, 2008–2026, for 3 registered units. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Mar 3, 2023$216.3M from Department of the Air Force: Defense Production Act Title Iii (Dpa Title Iii)7 To AEROJET ROCKETDYNE INC Award FA86502325526

Largest contracts

  1. Apr 1, 2016$287.2M from National Aeronautics and Space Administration: Exploration upper stage engines msfc will procure ten (10) rl10 flight engines from aerojet rocketdyne, inc. to support the space launch sy8 To AEROJET ROCKETDYNE, INC. Award NNM16AA12C
  2. May 16, 2016$235.6M from National Aeronautics and Space Administration: Igf::ot::igf nasa, through the space technology mission directorate (stmd,) seeks to demonstrate an advanced solar electric propulsion (ep) 9 To AEROJET ROCKETDYNE, INC. Award NNC16CA21C
  3. Mar 31, 2015$44.8M from National Aeronautics and Space Administration: Igf::ot::igf 1.1 background the next ion propulsion technology has been in development by the nasa in-space propulsion technology project, w10 To AEROJET ROCKETDYNE, INC. Award NNC15CA07C
  4. Jul 25, 2019$39.4M from Missile Defense Agency: Research and development11 To AEROJET ROCKETDYNE INC Award HQ014719C6501
  5. Feb 10, 2020$28.4M from Defense Advanced Research Projects Agency: Glide breaker, glide breaker will develop an enabling technology critical for an advanced interceptor capable of defeating hypersonic vehicl12 To AEROJET ROCKETDYNE INC Award HR001120C0030