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Pegasus XL

Mission Reports

Pegasus rocket, NASA satellite head for launch base in Pacific

June 6, 2018 Stephen Clark

Slung under the belly of a specially-equipped carrier airplane, a Northrop Grumman Pegasus rocket took off Wednesday from Vandenberg Air Force Base on a two-day trek to a remote U.S. military test site in the Pacific Ocean, where crews will ready the air-dropped booster for launch of a NASA research satellite next week.

Mission Reports

NASA gears up for brisk launch pace, starting with weather satellite

February 14, 2018 Stephen Clark

Engineers at NASA’s Kennedy Space Center tasked with overseeing launches of scientific satellites and interplanetary probes will be responsible later this year for ensuring six major missions safely get into space over a span of a little more than six months, beginning with the launch of NOAA’s new GOES-S weather observatory on an Atlas 5 rocket March 1.

Mission Reports

Launch of NASA ionospheric probe delayed to examine rocket issue

November 10, 2017 Stephen Clark

The launch of a NASA satellite to study the behavior of plasma in Earth’s ionosphere has been delayed to early next year, giving engineers time to resolve concerns with the separation system on its air-launched Pegasus XL booster.

News

Orbital ATK has no plans to phase out seldom-used Pegasus rocket

December 27, 2016 Stephen Clark

The build-up of Orbital ATK’s next air-launched Pegasus XL rocket will start in the coming weeks at Vandenberg Air Force Base in California, and while its flight in mid-2017 is the last Pegasus launcher on the manifest with a confirmed payload, company officials are confident the unique vehicle has a future beyond next year.

News

Flock of ‘microsats’ launched to measure winds inside hurricanes

December 15, 2016 Stephen Clark

A winged Orbital ATK Pegasus XL rocket dropped from the belly of a carrier jet off the east coast of Florida and fired into orbit Thursday with eight research satellites to fly around the tropics and return measurements of winds at the cores of hurricanes.

News

Video: CYGNSS launched by Pegasus rocket

December 15, 2016 Justin Ray

The Orbital ATK Pegasus XL rocket is released from L-1011 carrier jet off the central Florida coastline at 8:37 a.m. EST (1337 GMT) and ignites to power eight microsats to space for NASA’s CYGNSS hurricane research project.

Mission Reports

Hydraulic pump glitch scrubs Pegasus launch

December 12, 2016 Stephen Clark

Trouble with a hydraulic pump needed to release Orbital ATK’s air-launched Pegasus XL rocket from its carrier jet Monday has delayed the deployment of eight NASA hurricane research satellites until at least Wednesday.

Mission Reports

Pegasus XL launch timeline with NASA’s CYGNSS microsats

December 12, 2016 Stephen Clark

Orbital ATK’s Pegasus XL rocket will take about eight minutes to reach orbit with NASA’s eight CYGNSS weather research microsatellites, then comes deployment of the spacecraft more than 300 miles above Earth.

Mission Reports

Live coverage: Pegasus rocket successfully fires into orbit

December 12, 2016 Stephen Clark

An Orbital ATK Pegasus XL rocket carrying eight hurricane research satellites for NASA fired into orbit Thursday at 8:37 a.m. EST (1337 GMT) off the east coast of Florida.

Mission Reports

Photos: Orbital ATK’s temporary Pegasus home base at Cape Canaveral

December 11, 2016 Stephen Clark

Take a look around the L-1011 jetliner, Pegasus rocket, and ground support gear at Cape Canaveral Air Force Station’s Skid Strip for Monday’s scheduled launch of eight microsatellites to listen for winds inside hurricanes.

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News Headlines

  • SpaceX launches 26 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    May 12, 2025
  • SpaceX launches 28 Starlink satellites using Falcon booster making a record 28th flight
    May 11, 2025
  • Rocket Lab to debut point-to-point cargo transportation capability on 2026 Air Force mission
    May 10, 2025
  • SpaceX launches 900th Starlink satellite of 2025 during Saturday morning flight
    May 10, 2025
  • SpaceX launches 26 Starlink satellites from Vandenberg
    May 9, 2025
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