Sgt. Jansen Davis (front right), a section chief with 3rd Platoon, Rocket Battery F, 2nd Battalion, 14th Marine Regiment, 4th Marine Division, Marine Forces Reserve, gives instruction to Lance Cpl. Justin Minor (left), a gunner with 2/14, as he guides the unloading and loading of an M142 High Mobility Artillery Rocket System during Weapons and Tactics Instructor course 1-18 at Landing Zone Bull Attack, near the Chocolate Mountain Aerial Gunnery Range, California, Oct. 11, 2017. The Marines participated in WTI 1-18 during their two-week annual training and are preparing to deploy to Afghanistan in the future. (U.S. Marine Corps photo by Lance Cpl. Melany Vasquez/ Released)