If the White House gets its way in revamping manned space-exploration efforts, two of NASA's...

|By:, SA News Editor

If the White House gets its way in revamping manned space-exploration efforts, two of NASA's largest contractors - Lockheed Martin (LMT +0.7%) and Alliant Techsystems (ATK +0.1%) - could be on the hook for hundreds of millions of dollars of shutdown costs.