August 30, 2025
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Breaking News
  • [ August 29, 2025 ] Live coverage: SpaceX to launch 24 Starlink satellites into polar orbit Falcon 9
  • [ August 29, 2025 ] NASA, NOAA prep spacecraft trio to study the Sun and its impacts Mission Reports
  • [ August 27, 2025 ] SpaceX launches record-breaking 30th flight of a Falcon 9 booster Falcon 9
  • [ August 27, 2025 ] SpaceX completes 400th Falcon booster landing on a drone ship Mission Reports
  • [ August 27, 2025 ] SpaceX successfully launches Super Heavy-Starship on critical test flight Mission Reports

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Atlas 5

Photos: Atlas 5 ready for liftoff with SBIRS GEO 5

May 16, 2021 Stephen Clark

These photos show a 194-foot-tall United Launch Alliance Atlas 5 rocket standing on pad 41 at Cape Canaveral Space Force Station in advance of a planned launch with the U.S. Space Force’s fifth SBIRS missile warning satellite.

Atlas 5

Billion-dollar missile defense satellite ready for launch Monday in Florida

May 15, 2021 Stephen Clark

A sophisticated combat-ready U.S. military missile warning satellite moved to its launch pad at Cape Canaveral Space Force Station Saturday on top of a United Launch Alliance Atlas 5 rocket, ready for liftoff Monday afternoon.

Atlas 5

U.S. military warning sentinel attached to Atlas 5 rocket at Cape Canaveral

May 12, 2021 Stephen Clark

United Launch Alliance crews at Cape Canaveral have topped off an Atlas 5 rocket for liftoff Monday with the U.S. military’s next infrared sentinel to join a satellite fleet designed detect missile launches around the world.

Delta 4

Spy satellite successfully launched from California military base

April 26, 2021 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket climbed into orbit Monday from a military base northwest of Los Angeles, delivering to space a classified U.S. government spy satellite as large as a school bus and leaving just three Delta rockets left to fly before retirement.

Mission Reports

Photos: Delta 4-Heavy rocket awaits liftoff from historic SLC-6 launch pad

April 26, 2021 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket is awaiting liftoff with a classified U.S. government spy satellite at Vandenberg Air Force Base’s historic Space Launch Complex-6, a picturesque rocket facility that was once intended to support launches of military astronauts and space shuttles.

Delta 4

Live coverage: ULA’s heavy-lift rocket lifts off from California

April 26, 2021 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket lifted off from Vandenberg Air Force Base in California at 1:47 p.m. PDT (4:47 p.m. EDT; 2047 GMT) Monday with a classified satellite for the National Reconnaissance Office, the U.S. government’s spy satellite agency.

Mission Reports

One of ULA’s four remaining Delta 4 rockets set to launch from California

April 25, 2021 Stephen Clark

United Launch Alliance ground crews on California’s Central Coast are gearing up to send a classified U.S. government spy satellite into orbit as soon as Monday — weather permitting — aboard one of the company’s four remaining Delta 4-Heavy rockets.

Delta 4

Delta 4-Heavy rocket erected on Vandenberg launch pad

March 8, 2021 Stephen Clark

United Launch Alliance recently raised a Delta 4-Heavy rocket, one of four left in the company’s backlog, vertical on its launch pad at Vandenberg Air Force Base in California in preparation for liftoff with a top secret U.S. government spy satellite at the end of April.

Mission Reports

Lockheed Martin to buy rocket engine-builder Aerojet Rocketdyne

December 21, 2020 Stephen Clark

Lockheed Martin, the largest U.S. defense contractor, announced late Sunday that it has reached a deal valued at $4.4 billion to acquire Aerojet Rocketdyne, a supplier of engines to NASA’s Space Launch System moon rocket and United Launch Alliance’s Atlas, Delta, and Vulcan rockets.

Delta 4

Photos: Delta 4-Heavy rocket lights up Cape Canaveral

December 15, 2020 Stephen Clark

These photos show the fiery liftoff of a United Launch Alliance Delta 4-Heavy rocket from Cape Canaveral on Dec. 10, riding three pillars of flame from its hydrogen-fueled RS-68A main engines.

Posts pagination

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News Headlines

  • Live coverage: SpaceX to launch 24 Starlink satellites into polar orbit
    August 29, 2025
  • NASA, NOAA prep spacecraft trio to study the Sun and its impacts
    August 29, 2025
  • SpaceX launches record-breaking 30th flight of a Falcon 9 booster
    August 27, 2025
  • SpaceX completes 400th Falcon booster landing on a drone ship
    August 27, 2025
  • SpaceX successfully launches Super Heavy-Starship on critical test flight
    August 27, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    August 27, 2025
  • Launch preview: SpaceX tries for third time to launch Starship Flight 10 from Starbase, Texas
    August 26, 2025
  • SpaceX launches Luxembourg’s NAOS, 7 other rideshare satellites from California
    August 26, 2025
  • Poor weather delays Starship Flight 10 to Tuesday
    August 25, 2025
  • Cargo ship docks with International Space Station
    August 25, 2025
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