Who goes there? Published March 11, 2003 OPERATION ENDURING FREEDOM (AFPN) -- Airmen 1st Class Michael Pendleton and Sarah Harwood scan outside the base during a patrol of the perimeter on March 7. Both airmen are assigned to 379th Expeditionary Security Forces Squadron at a deployed location in Southwest Asia. (Photo by Master Sgt. Terry L. Blevins)