General Frank J. Grass, Chief, National Guard Bureau, visits Airmen of the 126th Air Refueling Wing, Scott Air Force Base, Ill., April 9, 2014. The 126 ARW, assigned to the Illinois Air National Guard, performs aerial refueling missions with the KC-135R Stratotanker in support of U.S. military and allied aircraft. (Air National Guard photo by Senior Airman Elise Stout )