ORLANDO, FL -- Air Force Materiel Command chief Gen. Ellen Pawlikowski said last week the federal hiring freeze enacted by President Trump and competing program needs are threatening the service's ability to stand up a program office for the Ground-Based Strategic Deterrent. GBSD will replace the Minuteman III intercontinental ballistic missile as the land-based leg of the nuclear triad in the late 2020s. But acquisition teams are not growing to match increased need as the Air Force grows new programs...