Training Tread Marines practice rifle combat exercises on the flight deck of the USS Iwo Jima in the U.S. 5th Fleet area of operations, May 29, 2018, while deployed to support maritime security operations in the region. Navy photo by Petty Officer 3rd Class Joe J. Cardona Gonzalez SHARE: Download: Full Size (1.3 MB) Credit: PO3 Joe J. Cardona Gonzalez VIRIN: 180529-N-ZK016-0014C.JPG Photo Gallery