July 12, 2025
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Atlas 5-551

Atlas 5

ULA launches Kuiper 2 mission on Atlas 5 rocket from Cape Canaveral

June 22, 2025 Will Robinson-Smith

The 27 Kuiper satellites will head to low Earth orbit on an Atlas 5 rocket flying in a 551 configuration, using five solid rocket boosters. ULA launched its rocket at 6:54 a.m. EDT (1054 UTC) on Monday, June 23.

Atlas 5

Atlas 5 booster engine issue causes scrub of Monday’s Kuiper 2 launch

June 15, 2025 Will Robinson-Smith

The 27 Kuiper satellites will head to low Earth orbit on an Atlas 5 rocket flying in a 551 configuration, using five solid rocket boosters. ULA has not announced a new launch date following the scrub.

Atlas 5

ULA launches first production Amazon Kuiper satellites on Atlas 5 rocket from Cape Canaveral

April 28, 2025 Will Robinson-Smith

The rescheduled mission comes following the April 9 scrub due to poor weather and a period on the Eastern Range marked by a noted lack of orbital launches. Liftoff from pad 41 at Cape Canaveral Space Force Station is targeting Monday, April 28, at 7 p.m. EDT (2300 UTC).

Atlas 5

Poor weather forces a scrub of the Kuiper 1 launch on a ULA Atlas 5

April 9, 2025 Will Robinson-Smith

The mission will be the first deployment of full production Kuiper satellites into low Earth orbit. ULA is determining their next launch opportunity following the scrub Wednesday evening.

Atlas 5

Amazon targets April 9 for launch of 1st production satellites for its Project Kuiper internet mega-constellation

April 3, 2025 Will Robinson-Smith

The mission will send the first full batch of 27 operational satellites into low Earth orbit. United Launch Alliance will launch its Atlas 5 551 rocket from pad 41 at Cape Canaveral Space Force Station on April 9 during a three-hour window that opens at 12 p.m. EDT (1600 UTC).

Atlas 5

ULA launches Atlas 5 rocket on the company’s 100th national security mission

July 29, 2024 Will Robinson-Smith

The United States Space Force 51 (USSF-51) mission was the 58th and final time an Atlas 5 rocket launches a national security payload. Liftoff happened at Tuesday, July 30, during a three-hour window that opens at 6:45 a.m. EDT (1045 UTC).

Atlas 5

Preview: Navy craft to ride milestone Atlas-Centaur launching

January 17, 2015 Justin Ray

The 200th Atlas-Centaur rocket, history some 52 years in the making, will blast off Tuesday from Cape Canaveral to deliver a U.S. Navy mobile communications satellite into orbit.

News Headlines

  • Axiom Space, Oakley partner on spacesuit visor for Artemis missions
    July 12, 2025
  • Transportation Secretary Sean Duffy picked as Interim NASA Administrator
    July 10, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    July 8, 2025
  • Republican-backed reconciliation bill passes, includes funding for ISS, Artemis programs, Space Shuttle relocation
    July 5, 2025
  • ULA begins stacking its 1st Vulcan rocket supporting a national security mission
    July 3, 2025
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