Submarine Training As seen through a night-vision device, sailors and U.S. and British Marines conduct clearing operations on the submarine tender USS Frank Cable at Naval Base Guam, March 21, 2018. The units are training to develop shared standard procedures in a visit, board, search and seizure environment to provide a more flexible and mission-ready capability. Navy photo by Petty Officer 2nd Class Nicholas A. Groesch SHARE: Download: Full Size (1.11 MB) Credit: Petty Officer 2nd Class Nicholas A. Groesch VIRIN: 180321-N-DM338-0206C.JPG Photo Gallery