Amphibious Launch Navy Petty Officer 1st Class Dennis Castro signals to launch a Marine Corps amphibious assault vehicle from the well deck of the USS Ashland in waters off Okinawa, Japan, Nov. 2, 2017, during Blue Chromite, an annual Navy-Marine Corps exercise. Navy photo by Petty Officer 3rd Class Jonathan Clay SHARE: Download: Full Size (1.71 MB) Credit: Petty Officer 3rd Class Jonathan Clay VIRIN: 171102-N-UX013-178C.JPG Photo Gallery