Pfc. Allen Austin, infantryman, 2nd Platoon, Company A, provides 1st Battalion, 3rd Marine Regiment, during the Clear, Hold, Build-4 portion of Enhanced Mojave Viper at Range 215 Sept. 25, 2012. - Pfc. Allen Austin, infantryman, 2nd Platoon, Company A, provides 1st Battalion, 3rd Marine Regiment, during the Clear, Hold, Build-4 portion of Enhanced Mojave Viper at Range 215 Sept. 25, 2012.