Air Force Col. Ronald E. Jolly Sr., center right, commander of the 75th Air Base Wing, salutes President Barack Obama as Obama prepares to depart from Hill Air Force Base in Davis County, Utah, April 3, 2015. Air Force Col. Ronald E. Jolly Sr., center right, commander of the 75th Air Base Wing, salutes President Barack Obama as Obama prepares to depart from Hill Air Force Base in Davis County, Utah, April 3, 2015. SHARE: Download: Full Size (1.75 MB) Tags: Photo Essays Credit: VIRIN: 382299-F-EPC60-982.jpg Photo Gallery