Infrared Effort Marines use infrared lasers to conduct live-fire moving drills at Marine Corps Base Camp Pendleton, Calif., July 27, 2021. The drills were part of Raid Leaders Course, a two-week course that teaches marksmanship shooting, weapon manipulation, close-quarter tactics and room clearing. SHARE: Download: Full Size (1.92 MB) Tags: Marine Corps Credit: Marine Corps Cpl. Jennifer Gay VIRIN: 210727-M-MN384-0059Y.JPG Photo Gallery