Staff Sgt. Benjamin Lee, 11th Security Forces Squadron Military Working Dog Handler and Military Working Dogs Lennox and Lana perform a demonstration during the 2011 Tuskegee Airmen, Inc. National Convention Youth Day at Joint Base Andrews, Md., Aug. 4. Students in grades 8-12 came here to interact with service members and aviation personnel. This year marks the 70th anniversary of America’s first black pilots and support personnel, the Tuskegee Airmen. (U.S. Air Force photo/ Staff Sgt. Nichelle Anderson)