Sparkling Security Marines provide security during a weapons and tactics instructor course, which runs concurrently with an integrated weapons training exercise, at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April 20, 2021. SHARE: Download: Full Size (1.41 MB) Tags: Marine Corps Credit: Marine Corps Lance Cpl. Colton Brownlee VIRIN: 210420-M-ET234-1358M.JPG Photo Gallery