Howitzer Overhead Sailors and Marines offload an M777 howitzer on the flight deck of the USS Pearl Harbor in the Pacific Ocean, May 5, 2017. The Harbor is conducting a composite training unit exercise off the coast of California. Navy photo by Petty Officer 3rd Class Tarra Samoluk SHARE: Download: Full Size (1.06 MB) Credit: Petty Officer 3rd Class Tarra Samoluk VIRIN: 170503-N-LC424-1542C.JPG Photo Gallery