Civil Air Patrol cadets learn about air traffic control tower functions Sept. 22 from Lt. Col. Mark Malan, 47th Fighter Squadron A-10 Thunderbolt II instructor pilot and Arizona Wing CAP member, while on a tour at Davis-Monthan Air Force Base. Cadets who were not on an orientation flight toured the 47th FS, 924th Maintenance Squadron engines back-shop, air traffic control tower and other facilities.