Marines with 1st Battalion, 3rd Marine Regiment, provide mortar fire in support of Large Scale Exercise 15 in the vicinity of the Blacktop Training Area, Aug. 15, 2015. During the exercise, 1st Battalion, 7th Marine Regiment, provided live artillery supporting fire for a ground combat element as they assaulted two objectives. (Official Marine Corps photo by Cpl. Charles Santamaria/Released) - Marines with 1st Battalion, 3rd Marine Regiment, provide mortar fire in support of Large Scale Exercise 15 in the vicinity of the Blacktop Training Area, Aug. 15, 2015. During the exercise, 1st Battalion, 7th Marine Regiment, provided live artillery supporting fire for a ground combat element as they assaulted two objectives. (Official Marine Corps photo by Cpl. Charles Santamaria/Released)
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.