A field artilleryman with Alpha Battery, 1st Battalion, 12th Marine Regiment, pulls the lanyard on a M327 120 mm mortar system during Operation Spartan Fury at Pohakuloa Training Area, Hawaii, Feb. 21, 2013. The Alpha Battery Marines used the mortar system for the first time during the training exercise and were mentored by Marines from Bravo Battery to become familiar with the new weaponry. (U.S. Marine Corps photo by Lance Cpl. Nathan Knapke)