Sea Ops Sailors with the Commander, Task Force 56 retrieve a Mark 18 Mod 2 underwater unmanned vehicle during training aboard a Mark VI patrol boat in the Persian Gulf, May 5, 2021. SHARE: Download: Full Size (1.6 MB) Credit: Navy Petty Officer 2nd Class William Collins III VIRIN: 210505-N-VG727-1147M.JPG Photo Gallery