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United Launch Alliance selected Blue Origin’s BE-4 in September 2018 for its Vulcan main engine.
United Launch Alliance’s Vulcan rocket uses BE-4 engines provided by Blue Origin.
United Launch Alliance plans to have both the Vulcan Centaur and its first customer, Astrobotic’s Peregrine lunar lander, on the launch pad by the end of 2021.
United Launch Alliance’s Vulcan Centaur rocket will be ready to launch its first mission in late 2021.
Blue Origin delivered two BE-4 pathfinder engines for ground tests and will deliver the actual flight BE-4 engines to United Launch Alliance’s factory in Decatur, Alabama in summer 2021.
United Launch Alliance attributed the NROL-44 problems to aging equipment and difficulties operating launch pads that are rarely used.
The 2020-12-10 launch was United Launch Alliance’s 30th mission for the National Reconnaissance Office.
To date, United Launch Alliance has launched 142 times with 100 percent mission success.
United Launch Alliance’s next launch after NROL-44 is the STP-3 mission for the U.S. Space Force, scheduled for first quarter 2021 from Cape Canaveral Space Force Station, Florida.
A National Reconnaissance Office classified satellite flew to orbit on 2020-12-10 aboard a United Launch Alliance Delta 4 Heavy rocket.
United Launch Alliance has successfully delivered more than 140 missions to orbit that support meteorology, planetary science, military capabilities, commercial services, and GPS navigation.
A United Launch Alliance Delta IV Heavy rocket carrying the NROL-44 mission for the National Reconnaissance Office lifted off from Space Launch Complex-37 on 2020-12-10 at 8:09 p.m. EST.
AEHF Space Vehicle 06 successfully launched on 2020-03-26 from Cape Canaveral Air Force Station, Florida on a United Launch Alliance Atlas 551 rocket under strict COVID-19 restrictions.
SBIRS GEO-5 is set to be launched in 2021 on a United Launch Alliance Atlas V rocket.
The geosynchronous satellite SBIRS GEO-5 is projected to launch in 2021 on a United Launch Alliance Atlas 5 rocket.
SpaceX and United Launch Alliance were selected as U.S. national security launch providers based on their ability to deliver spacecraft to specific Earth orbits.
United Launch Alliance last performed a launch from Vandenberg in January 2019 when a Delta 4 Heavy launched a payload for the National Reconnaissance Office.
United Launch Alliance and SpaceX were selected on 2020-08-07 as the Space Force’s primary launch providers for 2022 to 2027.
United Launch Alliance is testing hardware and conducting a broad review of Delta 4 ground equipment at Cape Canaveral and Vandenberg Air Force Base, California.
United Launch Alliance is under contract to fly NROL-44 and four additional Delta 4 Heavy missions for the National Reconnaissance Office over the next four years before the vehicle is retired.