Boeing's initial blueprint for a new intercontinental ballistic missile recently passed muster with the Air Force during a key review, clearing the defense contractor to proceed with initial systems development as part of an $18 billion project to develop two competing designs as part of the Ground Based Strategic Deterrent program. In a Nov. 30 press release, Boeing said its GBSD program "successfully completed" the System Requirements Review with the Air Force, "validating program technical requirements." The assessment cross-walked the...