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The 8.5-hour countdown is starting at Cape Canaveral Space Force Station for #DeltaIVHeavy to launch #NROL44 at 6:15pmEST (2315 UTC). This is ULA's 142nd mission, our 89th for U.S. national security and 30th for the NRO. Follow along in our live blog:
LIFTOFF of the United Launch Alliance#AtlasV rocket on a national security space mission, lifting #NROL101 for the National Reconnaissance Office. And the vehicle has cleared the tower! @NatReconOfc @AFSpace @AF_SMC @45thSpaceWing
Although designed to meet the difficult specifications of U.S. national security launches, #VulcanCentaur is well suited for commercial and civil markets, including launching dual-manifested payloads and missions across the solar system. The rocket has nearly 30 launches booked.
A pathfinder of the ULA #VulcanCentaur , the new all-American rocket designed to meet the needs of U.S. national security space launches, now stands assembled for major launch pad testing. #CountdownToVulcan Read more in our blog: