SALT LAKE CITY, Jan. 24, 2012 /PRNewswire via COMTEX/ -- ATK's ATK -1.10% Liberty program successfully held its Launch System Initial Systems Design (ISD) Review, which completes the third of five milestones in the company's unfunded Space Act Agreement (SAA) with NASA for the Commercial Crew Development Program.

The SAA enables NASA and the Liberty team to share technical information related to the Liberty Transportation System during the Preliminary Design Review phase of the program. During this meeting ATK presented the status of Liberty's systems level requirements, preliminary design and certification process.

"This unfunded partnership with ATK on its Liberty systems brings expertise from around the globe and we are glad to contribute our more than 50 years of human spaceflight experience to this effort," said Ed Mango, NASA's Commercial Crew Program manager.