By Jeremy Herb - 11/23/11 03:55 PM EST
The contract is to develop and sustain the Ground-Based Midcourse Defense (GMD) system. Boeing, which is teaming up with Northrop Grumman for its bid, has been the prime contractor for GMD. Lockheed has partnered with Raytheon for its proposal.
The program sparked a contentious debate earlier this year in the House Armed Services Committee, when House Republicans wanted to add $100 million to its $1.2 billion budget for 2012.