U.S. Air Force Chief Master Sgt. Mitchell O. Brush, Senior Enlisted Adviser for the National Guard Bureau, is welcomed by Col. Patrick Guinee, Wing Commander of the 158th Fighter Wing, Burlington International Airport, South Burlington, Vt., May 2, 2015. Brush met with senior leaders of the Vermont National Guard before speaking to airmen at a town hall. (U.S. Air Force Photo by Senior Airmen Jonathon Alderman)