Lance Cpl. Gabriel J. Weaver, rifleman with E Company, 2nd Battalion, 7th Marine Regiment, provides cover fire for his squad during an assault course as part of Exercise Chosin, a squad-level training evolution, at Range 410, Marine Corps Air Ground Combat Center Twentynine Palms, California, Aug. 26, 2015. - Lance Cpl. Gabriel J. Weaver, rifleman with E Company, 2nd Battalion, 7th Marine Regiment, provides cover fire for his squad during an assault course as part of Exercise Chosin, a squad-level training evolution, at Range 410, Marine Corps Air Ground Combat Center Twentynine Palms, California, Aug. 26, 2015.