SOUTHERN IRAQ - 28 MARCH 2003 - U.S. Marines Staff Sgt. Scott Penner, a generator mechanic from Ft. Pierce, Fla. (Left), and Master Sgt. Luis Nunez, a native of Murrieta, Calif. and the Headquarter's Camp Commadant fill sandbags to improve defensive positions. The 2nd Battalion, 6th Marines have established a temporary base camp as they await further combat missions in support of Operation Iraqi Freedom. (Photo by Sgt. 1st Class David K. Dismukes/CFLCC Public Affairs)