Command Chief Master Sgt. Brian Lavoie, 28th Bomb Wing command chief, speaks to a group of Airmen attending the Professional Airmen Seminar at Ellsworth Air Force Base, S.D., Aug. 16, 2011. Chief Lavoie gave the Airmen the introduction briefing of the three-day course designed to help Airmen develop leadership skills. (U.S. Air Force photo/Airman Alystria Maurer/Released)