Kelly Magsamen helped orchestrate America's security policy under the Biden administration but faced criticism for the secretary's surprise hospital stay.
A group of 16 researchers, including retired U.S. Navy captain and astronaut Scott Kelly, will spend the next nine months on a NASA team studying UFOs.
Sen. Tammy Duckworth, D-Ill., worried the Air Force could find itself without enough aircraft to conduct battlefield management or rescue downed personnel.