U.S. Air Force Col. John J. Allen Jr., left, greets Staff Sgt. Thomas Wright on Langley Air Force Base, Va., Oct. 20, 2014. Wright is an ultrasound noncommissioned officer in charge assigned to the 633rd Medical Operations Squadron. U.S. Air Force Col. John J. Allen Jr., left, greets Staff Sgt. Thomas Wright on Langley Air Force Base, Va., Oct. 20, 2014. Wright is an ultrasound noncommissioned officer in charge assigned to the 633rd Medical Operations Squadron. SHARE: Download: Full Size (0.58 MB) Tags: Photo Essays Credit: VIRIN: 791689-U-AZO13-176.jpg Photo Gallery