MAFB Fitness center offers new workout program Published Oct. 28, 2009 By Minot Air Force Base Public Affairs MINOT AIR FORCE BASE, N.D. -- For people looking to improve their physical fitness, the fitness center has Zumba classes Tuesdays at 5 p.m. and Thursday at 6 p.m. The Zumba classes program fuses hypnotic Latin rhythms and easy-to-follow moves to help people stay in shape.