Orbital ATK and NASA Release Initial Findings From SLS Booster QM-1 Test Fire

Orbital ATK’s SLS solid rocket booster Qualification Motor-1 (QM-1) test fire March 11, 2015, at the company’s test stand in Promontory, Utah. Photo Credit: Mike Killian / AmericaSpace

The solid rocket booster that will propel NASA’s skyscraper-size Space Launch System (SLS) rocket and its Orion spacecraft on deep space missions in the coming […]

Picture-Perfect Booster QM-1 Test Fire Marks Big Milestone for NASA SLS Development

An Orbital ATK five-segment solid rocket booster igniting on the test stand in Promontory, Utah, on March 11, 2015, unleashing 3.6 million pounds of thrust within a second for the Qualification Motor-1 (QM-1) test fire for NASA’s Space Launch System (SLS). Photo Credit: Mike Killian / AmericaSpace

The solid rocket booster that will […]

ATK Completes Critical Design Review for Five-Segment SLS Rocket Booster

ATK’s five-segment solid rocket booster will power America’s new rocket, NASA’s Space Launch System, which is on track to launch in 2017. Photo Credit: PRNewsFoto/ATK

When NASA’s giant 320-foot-tall Space Launch System (SLS) rocket flies its first unmanned Orion/SLS flight test in 2017, one of the most noticeable—if not the most noticeable—characteristics of […]

Test-Fire Delayed Due to Defects Found in QM 1 Aft Segment

ATK’s test-firing of the Qualification Motor 1 has been delayed due to defects found in the aft segment of the motor. Photo Credit: NASA / ATK

ATK and NASA have had to postpone the upcoming ground test of the Qualification Motor (QM)-1 due to one of the segments not meeting testing criteria. As […]

SLS QM-1 Booster Readied for Tests by NASA, ATK

Photo Credit: ATK

A full-scale version of Alliant Techsystems’ (ATK) solid rocket booster that will be used on NASA’s new heavy-lift booster, the Space Launch System, or “SLS,” is being readied for testing. The center aft segment of ATK’s qualification motor-1 (QM-1) was sent to the site in the deserts of Utah on […]

Solid Rocket Boosters Complete Space Launch System Program Milestone

Image Credit: NASA

NASA and ATK have completed Preliminary Design Review (PDR) of the Solid Rocket Booster design that will be used on NASA’s new Space Launch System (SLS) heavy-lift booster. The completion of this milestone means that SLS is one step closer to launch, with the first flight planned to take place […]