Vance Airmen graduate from Altus leadership school Published Nov. 29, 2010 VANCE AIR FORCE BASE, Okla. -- Five Team Vance Airmen, members of Class 11-B, graduated Nov. 19 from the Airman Leadership School at Altus AFB, Okla. The graduates are Senior Airmen Joseph J. Curran III, 71st Security Forces Squadron; Timothy A. Linden, 71st Operations Support Squadron; Kanita R. Pruitt, 71st Force Support Squadron; Lacey N. Treat, 71st Medical Operations Squadron; and Amber C. Tuey, 3rd Fighter Training Squadron. ALS is the first level of professional military education and is a required course for senior airmen to advance to the rank of sergeant.