Flying Sparks Marine Corps Sgt. Matthew Cox uses a grinding wheel to create a support strut for an M240B machine gun mount aboard the USS Harpers Ferry in the Indian Ocean, June 22, 2019. SHARE: Download: Full Size (3.15 MB) Tags: Marine Corps Credit: Marine Corps Cpl. Adam Dublinske VIRIN: 190622-M-QP663-0102C.JPG Photo Gallery