Swab Storage Navy hospital corpsmen store a COVID-19 test swab after testing a Marine in San Diego, June 22, 2020. Medical personnel have been testing Marines and sailors in the area prior to their deployment to detect possible cases of the coronavirus. SHARE: Download: Full Size (0.73 MB) Tags: Navy, Marine Corps, Coronavirus Credit: Marine Corps Cpl. Dalton Swanbeck VIRIN: 200622-M-EC058-1239A.JPG Photo Gallery