ULA CEO Tory Bruno responded to Musk's tweet indirectly, congratulating SpaceX on the contract award.
The US Air Force has announced SpaceX would launch 40 per cent of the military's national security missions between 2022 and 2026.
"ULA won the other 60 per cent of the missions, with the pair of companies beating out challengers Blue Origin and Northrop Grumman," reports CNBC.
ULA is a joint venture between Boeing and Lockheed Martin.
The space company provides launch services using expendable launch systems Delta IV Heavy and Atlas V.
The Atlas, Delta IV Heavy and the recently retired Delta IV launch systems have launched payloads including weather, telecommunications, and national security satellites, scientific probes and orbiters.
ULA also launches commercial satellites.
As of 2020, the company is developing the Vulcan Centaur, a successor to the Atlas V that includes some Delta IV technology.
Meanwhile, the Demo-2 test flight from SpaceX for NASA's Commercial Crew Programme has become the first to deliver astronauts to the space station and return them safely to Earth onboard a commercially built and operated spacecraft.
A prototype of SpaceX's Mars Starship spacecraft got off the ground in a test flight last week, marking a small step that could one day prove to be a giant leap towards the human exploration of the Red Planet.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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