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GPS 3 SV02 (Magellan) launched in August aboard a United Launch Alliance Delta IV rocket and has completed on-orbit testing.
The October 2018 LSA contracts awarded $500,000,000 to Blue Origin, $967,000,000 to United Launch Alliance, and $762,000,000 to Northrop Grumman.
SpaceX is challenging the Air Force’s October 2018 decision to award Launch Service Agreements to Blue Origin, Northrop Grumman, and United Launch Alliance.
Except for SpaceX, United Launch Alliance, Blue Origin, and Northrop Grumman are offering newly designed rockets that RAND projects will be ready by 2021.
The GEM-63 engine is used on both United Launch Alliance’s Vulcan and Northrop Grumman’s OmegA, creating intertwined engine risks.
WGS-10 launched on 2019-03-15 on a United Launch Alliance Delta IV Medium rocket.
NASA awarded a $165,700,000 contract to United Launch Alliance to launch GOES-T on an Atlas V.
Eight vendors—SpaceX, Xbow Launch Systems, Northrop Grumman, Firefly Aerospace, United Launch Alliance, Aevum, VOX Space, and Rocket Lab—were selected to compete for OSP-4 missions to launch small and medium payloads over 180 kg.
United Launch Alliance is using a dual-engine Centaur upper stage on the Atlas V for the 2019-12-20 Starliner flight.
A Flight Readiness Review at Kennedy Space Center approved launching Boeing’s Starliner on a United Launch Alliance Atlas V at 6:36 a.m. Eastern on 2019-12-20.
United Launch Alliance, Blue Origin, and Northrop Grumman were developing new launch vehicles for the Phase 2 competition and projected first flights of those rockets in 2021.
United Launch Alliance provides the Atlas V rocket that will launch the CST-100 Starliner.
WGS-10 was launched on 2019-03-15 atop a United Launch Alliance Delta IV Medium rocket.
The Air Force signed cost-sharing agreements in October 2018 with Blue Origin, Northrop Grumman, and United Launch Alliance to help pay for vehicle development and launch infrastructure.
Blue Origin argued that awarding Phase 2 contracts in 2020 would favor ULA and SpaceX because those companies already have certified vehicles and launch infrastructure.
Vulcan Centaur uses an improved version of the Centaur upper stage currently used on ULA’s Atlas 5.
United Launch Alliance is preparing to launch the Vulcan Centaur in 2021.
As recently as 2018, ULA planned to replace Centaur with ACES, the Advanced Cryogenic Evolved Stage, in 2023.
ULA originally anticipated using Vulcan ACES to replace the Delta IV Heavy, which is scheduled to retire in 2023 or 2024.
ULA chose to start Vulcan Centaur as an expendable vehicle in order to transition from the Russian-built RD-180 to Blue Origin’s BE-4 engines as quickly as possible.