VANCE AIR FORCE BASE, Okla. -- (Left to Right) Chief Master Sgt. Peter Speen, the 71st Flying Training Wing command chief; Col. Clark Quinn, the 71st FTW commander; Col. William Spangenthal, 97th Air Mobility Wing commander; and Chief Master Sgt. James Powell, 97th AMW command chief, sign a Memorandum of Understanding Nov. 21 that will allow Team Vance to host two Airman Leadership School classes per year. ALS is the first level of professional military education that senior airmen attend upon being selected for staff sergeant. (U.S. Air Force photo/Staff Sgt. James Bolinger)