Petty Officer 3rd Class Darnell Baker, an equipment operator assigned to Naval Mobile Construction Battalion 74, Alpha Company, forms a sand berm at the Camp Leatherneck Expansion Project, while operating an D7 up-armored bulldozer. Three miles of berm is being constructed for the expansion project at Camp Leatherneck, Afghanistan, in the Helmand Province. NMCB-74 is deployed to Afghanistan supporting NATO's International Security Assistance Forces and U.S. Forces-Afghanistan.