The cost-plus-award-fee contract will fund launch operations support and on-orbit operations support.
Work will occur in Seal Beach, Calif. with an expected completion date of Dec. 31, 2012.
The Space and Missile Systems Center in Los Angeles is the contracting activity.
The Seattle-based contractor won $2 million from the Air Force Research Laboratory in December to support a reusable booster system flight and ground experiments program.
The company started work on requirements and concepts for the RBS vehicle in Huntington Beach, Calif.