Sgt. Jansen Davis (left), a section chief with 3rd

Sgt. Jansen Davis (left), a section chief with 3rd Platoon, Rocket Battery F, 2nd Battalion, 14th Marine Regiment, 4th Marine Division, Marine Forces Reserve, and Lance Cpl. Justin Minor (right), a gunner with 2/14, directs the driver of a High-Mobility Artillery Rocket System during an unloading and loading exercise of inert ordnance, during Weapons and Tactics Instructor course 1-18 at Landing Zone Bull Attack, near the Chocolate Mountain Aerial Gunnery Range, California, Oct. 10, 2017. During the exercise, Marines with 2/14 will use their HIMARS to employ the Guided Multiple Launch Rocket System to engage target coordinates provided by Marine Corps pilots with Marine Fighter Attack Squadron 121, 3rd Marine Aircraft Wing, flying the F-35B Lightning II Joint Strike Fighter.