An Air Force Reserve pararescueman descends into the Atlantic Ocean from a C‐17 Globemaster III in an effort to recover a NASA astronaut as part of an exercise Jan. 14, 2016, off the shore of Cape Canaveral Air Force Station, Fla. The 45th Operations Group’s Detachment 3 joined NASA's Commercial Crew Program; Air Force pararescuemen; combat rescue officers; and survival, evasion, resistance and escape specialists to practice recovering astronauts quickly and safely in the event they would need to abandon their spacecraft. (U.S Air Force photo/Matthew Jurgens)