Airmen Professional Seminar Published Aug. 12, 2011 ELLSWORTH AIR FORCE BASE, S.D. -- The Airmen Professional Seminar, a course targeting Airmen who have completed 28 to 32 months of service who would like to be exposed to subjects that will further develop their knowledge on how to be an effective follower/leader, is now on line. The first class begins at 7:30 a.m., Aug. 16 at the First Term Airman Center. For more information on how to sign up, call Tech. Sgt. Bobbie Davis, FTAC NCO in charge, at (605) 385-6115.