Foam Scrub Sailors scrub the hangar bay deck following an aqueous film forming foam sprinkler system test on the amphibious assault ship USS Boxer in the Pacific Ocean, March 1, 2018. The Boxer is underway off the coast of Southern California for contractor sea trials. Navy photo by Petty Officer 3rd Class Alexander C. Kubitza SHARE: Download: Full Size (0.65 MB) Credit: Petty Officer 3rd Class Alexander C. Kubitza VIRIN: 180301-N-PM193-270C.JPG Photo Gallery