Orbital ATK

U.S. cargo craft tests reboost capability at International Space Station

July 11, 2018 Stephen Clark

A commercial Northrop Grumman Cygnus supply ship berthed at the International Space Station fired its main engine for 50 seconds Tuesday in a test of the spacecraft’s ability to reboost, and possibly eventually deorbit, the massive research outpost.

NASA likely to relocate delayed Pegasus launch to Florida

July 5, 2018 Stephen Clark

NASA and Northrop Grumman are expected to base the launch of an air-dropped Pegasus rocket with a NASA science satellite from Cape Canaveral later this year, after originally trying to get the mission into space from a remote island in the middle of the Pacific Ocean.

Scientists thrilled with closer views of Ceres’ famous salty crater

July 3, 2018 Stephen Clark

Fresh pictures from NASA’s Dawn spacecraft have provided the sharpest glimpse yet of the bright salt deposits discovered inside a crater on Ceres, the largest object in the asteroid belt.

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.

Northrop Grumman completes Orbital ATK acquisition

June 7, 2018 Stephen Clark

Northrop Grumman concluded its purchase of Orbital ATK on Wednesday, with the absorption of launch vehicle developer, satellite manufacturer, and munitions supplier as a new business unit named Northrop Grumman Innovation Systems.

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.

Cygnus arrives at station with CubeSats, quantum physics experiment

May 24, 2018 Stephen Clark

Closing out a three-day chase from a launch pad in Virginia, Orbital ATK’s Cygnus cargo freighter arrived Thursday at the International Space Station with nearly 7,400 pounds of equipment, delivering food, a quantum physics experiment, and CubeSats for later deployment in orbit.