A U.S. Air Force HH-60G Pave Hawk helicopter from the 129th Rescue Squadron out of Moffett Federal Airfield, Calif., approaches U.S. Navy drone launch ship ATLS 9701 for the 30 ft. fast rope insertion of four pararescuemen June 7, during an insertion and extraction exercise seven miles off the coast of Camp Pendleton, Calif., as part of Angel Thunder 2015. Angel Thunder is a joint service, multinational, interagency combat search and rescue exercise designed to provide training for personnel recovery assets using a variety of scenarios that simulate deployment conditions and contingencies.