A plane captain signals a CH-46E Sea Knight helicopter assigned to the Purple Foxes of Marine Medium Helicopter Squadron (HMM) 364 (Rein) that all chocks and chains have been removed aboard the amphibious transport dock ship USS Green Bay (LPD 20). Green Bay is part of the Peleliu Amphibious Ready Group currently underway conducting a certification exercise (CERTEX) with the amphibious assault ship USS Peleliu (LHA 5) and the amphibious dock landing ship USS Rushmore (LSD 47). (U.S. Navy photo by Mass Communication Specialist 1st Class Elizabeth Merriam/Released)