ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

The mission is AFRL's first major PNT demonstration since 1977, when it launched NTS-2 — a satellite that helped shaped the ...

The Pentagon launched its first experimental navigation satellite in nearly 50 years, aiming to test out new technology that ...

Live updates from Tuesday night’s ULA USSF-106 mission that launched a Vulcan rocket from Cape Canaveral Space Force Station in Florida.