U.S. Marine Corps Gunnery Sgt. Timothy Wolkow, police advisor team staff non-commissioned officer in charge with 1st Battalion, 7th Marine Regiment, Regimental Combat Team 6, grills steaks as part of a Fourth of July barbecue for the Marines and Sailors on Forward Operating Base Jackson, Helmand province, Afghanistan July 4, 2012. Food and drinks were sent to the battalion to celebrate the holiday and boost morale within the unit.