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Pegasus XL

Mission Reports

Carrier jet with Pegasus rocket returning to California, postponing NASA satellite launch

June 8, 2018 Stephen Clark

NASA and Northrop Grumman officials decided Friday to return a Pegasus rocket and its carrier aircraft from Hawaii to California, aborting a trip to Kwajalein Atoll in the Pacific Ocean for next week’s scheduled launch of a NASA research satellite to conduct additional testing.

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.

Posts pagination

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News Headlines

  • SpaceX launches 50th Starlink mission of 2026
    May 30, 2026
  • ULA launches 29 Amazon Leo satellites on Atlas 5 rocket from Cape Canaveral
    May 29, 2026
  • Blue Origin’s New Glenn rocket explodes during prelaunch testing at Cape Canaveral
    May 29, 2026
  • SpaceX launches 29 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    May 29, 2026
  • FAA requires SpaceX-led mishap investigation before resumption of Starship launches
    May 27, 2026
  • NASA outlines nearly $1 billion investment into initial Moon Base missions
    May 27, 2026
  • Preview: NASA updates progress towards established a Moon Base, Artemis 3 mission
    May 26, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    May 26, 2026
  • SpaceX launches 29 Starlink satellites on Memorial Day
    May 24, 2026
  • Musk praises “epic” Super Heavy-Starship launch
    May 23, 2026
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