U.S. Army Gen. Frank J. Grass, Chief, National Guard Bureau, administers the oath of enlistment for airmen reenlisting, during a town hall meeting at the 158th Fighter Wing, South Burlington, Vt., May 2, 2015. Grass met with senior leadership and recognized top performing Airmen during his visit. (U.S. Air Force Photo by Senior Airmen Jonathon Alderman)