U.S. Marines and Sailors set up a 60 mm mortar system for hand firing during a training exercise, Dec. 12, in the Helmand province of the Islamic Republic of Afghanistan. The Marines and sailors are with Combined Anti-Armor Team, Weapons Company, 3rd Battalion, 8th Marine Regiment 3/8 is the ground combat element of Special Purpose Marine Air Ground Task Force - Afghanistan, whose mission is to conduct counterinsurgency operations, and train and mentor the Afghan national police.