The two companies will join three others selected last summer, including SpaceX, United Launch Alliance and Blue Origin.
"Vulcan certification adds launch capacity, resiliency and flexibility needed by our nation's most critical space-based ...
NS-31 will take off from Blue Origin's West Texas launch site on Monday, April 14 at 9:30 a.m. ET (1330 GMT). As with past ...
US Space Force aims to deploy maneuverable spacecraft, not as isolated units but housed within a central "mothership" capable ...