U.S. Marine Corps Lance Cpl. Kendric Pipken, from Sierra Battery, 5th Battalion, 10th Marine Regiment, fires an Excalibur round from an M777A2 Lightweight .155-mm Howitzer on Camp Fallujah, Iraq, Nov. 4, 2007. Pipken’s unit is the first artillery battery to deploy with the M777A2 in support of Operation Iraqi Freedom. DoD photo by Master Sgt. Paul D. Bishop, U.S. Marine Corps.
The A2 version of the M777 incorporates software upgrades which allow it to fire the Excalibur precision round.