Personnel from the 45th Operations Group, Detachment 3, simulate astronaut rescue and recovery operations, Dec 12, 2018, off the coast of then Cape Canaveral Air Station, Florida. Detachment 3 in coordination with NASA and commercial partners, are key to rescue and recovery of astronauts. They are the only Department of Defense unit responsible for all aspects of human spaceflight recovery. (U.S. Air Force photo by Airman 1st Class Dalton Williams)