U.S. Marines fire an M240B medium machine gun during exercise Blue Chromite 15 on the Central Training Area in Okinawa, Japan, Nov. 2, 2014. Marines rode in assault amphibious vehicles in a ship-to-shore assault from the USS Germantown to Oura Wan Beach, and then advanced inland to the training area. U.S. Marines fire an M240B medium machine gun during exercise Blue Chromite 15 on the Central Training Area in Okinawa, Japan, Nov. 2, 2014. Marines rode in assault amphibious vehicles in a ship-to-shore assault from the USS Germantown to Oura Wan Beach, and then advanced inland to the training area. SHARE: Download: Full Size (0.31 MB) Tags: Photo Essays Credit: VIRIN: 509703-M-UZJ28-205.jpg Photo Gallery