U.S. Marines fire an M777A2 Ultra Light Weight Howitzer during Exercise Cobra Gold 2012 in Thailand's Chai Badan province, Feb. 14, 2012.

The Marines are assigned to Battery L, Battalion Landing Team 1st Battalion, 4th Marine Regiment, 31st Marine Expeditionary Unit.

The Marines were firing to prepare for an upcoming exercise.

U.S. Marine Corps photo by Cpl. Garry Welch