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Breaking News
  • [ July 16, 2026 ] Post-ignition anomaly causes abort of SpaceX’s Starship Flight 13 Artemis
  • [ July 4, 2026 ] Semiconductor manufacturing test bed flies alongside Starlink satellites on Falcon 9 launch Falcon 9
  • [ July 1, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ June 30, 2026 ] Astronauts ‘operate’ on space station’s broken robot arm Mission Reports
  • [ June 30, 2026 ] Blue Origin outlines return to flight logistics for its New Glenn rockets Moon Base

Live coverage: Atlas 5 rocket lifts off with X-37B spaceplane

May 19, 2015 Justin Ray


(Launch webcast begins at 10:45 a.m. EDT)

Mission Status Center

Live coverage of the United Launch Alliance Atlas 5 rocket carrying the Air Force’s X-37B spaceplane on its fourth mission into space. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

  • AFSPC-5
  • Air Force
  • Atlas 5
  • AV-054
  • Boeing
  • Mission Status Center
  • Spaceplane
  • United Launch Alliance
  • X-37B

Related Articles

Falcon 9

Live coverage: SpaceX launches Falcon 9 rocket with more Starlink satellites

January 27, 2020 Stephen Clark

SpaceX launched a Falcon 9 rocket Wednesday at 9:06 a.m. EST (1406 GMT) from Cape Canaveral with 60 satellites for the company’s Starlink Internet network. Previous attempts to launch the mission were stymied by strong upper level winds and rough seas in the Falcon 9’s downrange recovery area northeast of Cape Canaveral.

Atlas 5

Video: Atlas 5 rolls out to launch pad with the Air Force’s AEHF 5 comsat (members only)

August 6, 2019 Stephen Clark

Spaceflight Now Members can watch a time-lapse replay of the Atlas 5 rocket’s rollout to pad 41 at Cape Canaveral Air Force Station before the launch of the U.S. Air Force’s AEHF 5 communications satellite.

Mission Reports

Live coverage: SLS core stage engines shut down early during critical hotfire test

January 16, 2021 Stephen Clark

A critical test-firing of the Space Launch System’s core stage engines cut off about a minute into a planned eight-minute burn Saturday on a test stand at NASA’s Stennis Space Center in Mississippi. The rocket’s four engines ignited at 5:27 p.m. EST (2227 GMT) for a test that was to pave the way for the core stage’s shipment to the Kennedy Space Center for launch preparations.

News Headlines

  • Post-ignition anomaly causes abort of SpaceX’s Starship Flight 13
    July 16, 2026
  • Semiconductor manufacturing test bed flies alongside Starlink satellites on Falcon 9 launch
    July 4, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    July 1, 2026
  • Astronauts ‘operate’ on space station’s broken robot arm
    June 30, 2026
  • Blue Origin outlines return to flight logistics for its New Glenn rockets
    June 30, 2026
  • SpaceX launches 7.5-ton SiriusXM satellite as part of constellation refresh
    June 28, 2026
  • SpaceX launches Starlink satellites from Vandenberg Space Force Base
    June 28, 2026
  • West Coast Falcon 9 launch continues expansion of SpaceX’s Starlink network
    June 24, 2026
  • NASA, Boeing committed to Starliner-1 launch despite unclear timeline
    June 23, 2026
  • SpaceX launches reentry capsule demo mission called ‘Starfall’
    June 23, 2026
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