Staff Sgt. Raymond Oliveros, an F-15 crew chief assigned to the 926th Group Detachment 2, services a generator on an F-15 July 24, 2008 at Nellis Air Force Base, Nev. The 926th Group is an Air Force Reserve unit under 10th Air Force, Naval Air Station Joint Reserve Base, Fort Worth, Texas. The group is located at Nellis AFB as an associate unit to the United States Air Force Warfare Center. Through Total Force Integration, reservists are integrated into regular Air Force units, accomplishing the USAFWC's mission alongside REGAF personnel on a daily basis. (U.S. Air Force Photo/Senior Airman Larry E. Reid Jr., Released)