L3Harris Technologies is an American technology company, defense contractor, and information technology services provider serving government, defense, and commercial sectors. Within the space industry, L3Harris specializes in providing end-to-end satellite solutions, including spacecraft, payloads, and ground software, and is a key player in space domain awareness. They develop and manufacture space-qualified components like traveling wave tubes, reflectors, and optical systems, and they also contribute to missions like the Nancy Grace Roman Space Telescope and Artemis II. L3Harris partners with organizations like NASA, the U.S. Space Force, and the Missile Defense Agency.
All verified mentions of this organization in source documents.
On July 22, 2026, L3Harris Technologies completed and shipped four modified RS-25 main engines to NASA’s Michoud Assembly Facility in New Orleans.
L3Harris Technologies assembled newly designed RS-25 hardware for Artemis V.
L3Harris Technologies is transitioning RS-25 production toward newly manufactured engines built using additive manufacturing.
L3Harris Technologies conducted hot-fire acceptance testing at NASA’s Stennis Space Center.
L3Harris Technologies reports satellite and airborne electronics through its Space and Airborne Systems segment.
L3Harris Technologies formed in 2019 through the merger of L3 Technologies and Harris Corporation.
L3Harris Technologies, Honeywell International, Comtech Telecommunications, and Teledyne Technologies supply RF amplifiers, waveguide assemblies, ground terminals, and modem electronics used inside most military and commercial satellite communication payloads.
L3Harris Technologies acquired Aerojet Rocketdyne in 2023.
Aerojet Rocketdyne, now part of L3Harris Technologies, supplies propulsion components to Boeing’s Starliner program.
Aerojet Rocketdyne became part of L3Harris Technologies in the 2023 acquisition.
L3Harris Technologies finalized the design of the Next-Generation Radioisotope Thermoelectric Generator for future NASA deep space missions.
NASA’s Marshall Space Flight Center and L3Harris jointly tested a prototype cryocoupler for transferring super-cold propellants between spacecraft in Earth orbit.
Lunar Forge is partnering with NASA’s Fission Surface Power program primes including Lockheed Martin with BWXT and Creare, Westinghouse Electric Company with Aerojet Rocketdyne and L3Harris, and the Intuitive Machines and X-Energy joint venture IX with Maxar and Boeing.
The Space Development Agency’s Tranches 0, 1, and 2 awarded work to York Space Systems, Lockheed Martin, Northrop Grumman, Rocket Lab, L3Harris, and Sierra Space.
Viasat lists Boeing and L3Harris as partners for ViaSat-3 F3.
The new L3Harris agreement covers production support for the PAC-3 interceptor.
L3Harris Technologies issued a new purchase order to Wojskowe Zaklady Elektroniczne, a Polish government defense company.
L3Harris is diversifying its supplier base to increase production capacity for missile defense systems.
Lockheed Martin, Rocket Lab, Northrop Grumman, and L3Harris received Tranche 3 Tracking Layer awards from the Space Development Agency in December 2025.
AE Industrial Partners is acquiring 60 percent of Rocketdyne’s upper-stage propulsion assets from L3Harris Technologies in an $845 million carve-out.