The crew of an Air Station Barbers Point MH-65 Dolphin helicopter raises their rescue swimmer during a search and rescue exercise in the vicinity offshore from Ko'olina to Kahe Point, Oahu, Nov. 29, 2018. The effort resulted in the successful discovery of Oscar, the simulated person in distress, about two hours after the initial call. (U.S. Coast Guard photo by Lt. j.g. Joshua Martin/Released)