A CH-47F Chinook tandem rotor heavy-lift helicopter from 3rd General Support Aviation Battalion, 2nd Combat Aviation Brigade, 2nd Infantry Division, prepares to land on the flight deck of the amphibious transport dock ship USS Denver as Sailors chock and chain a UH-60L Black Hawk helicopter. Denver is part of the Bonhomme Richard Amphibious Ready Group and is conducting joint force amphibious operations in the U.S. 7th Fleet area of operations with the 31st Marine Expeditionary Unit and Commander Amphibious Squadron 11.