U.S. Air Force Col. Kenneth T. Bibb, Jr., right, 100th Air Refueling Wing commander, greets U.S. Air Force Gen. Darren W. McDew, left, Air Mobility Command commander, as he arrives April 21, 2015, on RAF Mildenhall, England. McDew visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force Photo by Staff Sgt. Krystie Martinez/Released)

U.S. Air Force Chief Master Sgt. Victoria Gamble, Air Mobility Command command chief, mentors 100th Air Refueling Wing Airmen during a breakfast at the Gateway dining facility April 21, 2015, on RAF Mildenhall, England. Gamble discussed career progression, educational opportunities, new Air Force policies and answered questions from the attendees. The breakfast was part of a one-day tour across the installation. (U.S. Air Force Photo by Staff Sgt. Krystie Martinez/Released)

U.S. Air Force Gen. Darren W. McDew, Air Mobility Command commander, and U.S. Air Force Chief Master Sgt. Victoria Gamble, Air Mobility Command command chief, receive a Forward Area Refueling Point briefing April 21, 2015from U.S. Air Force Senior Airman Anthony Davis, 100th Logistics Readiness Squadron FARP program manager from Lancaster, Calif., on RAF Mildenhall, England. McDew and Gamble visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force Photo by Staff Sgt. Krystie Martinez/Released)

U.S. Air Force Gen. Darren W. McDew, Air Mobility Command commander, speaks with Airmen from the 100th Maintenance Group and 100th Aircraft Maintenance Squadron during a base tour April 21, 2015, on RAF Mildenhall, England. McDew visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force Photo by Staff Sgt. Krystie Martinez/Released)

U.S. Air Force Gen. Darren W. McDew, left, Air Mobility Command commander, receives a tour of the 351st Air Refueling Squadron from U.S. Air Force Col. Noel Bradford, right, 100th Operations Group commander, April 21, 2015, on RAF Mildenhall, England. McDew visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force Photo by Staff Sgt. Krystie Martinez/Released)

U.S. Air Force Gen. Darren W. McDew, right, Air Mobility Command commander, goes over a flight plan with aircrew members April 22, 2015, on RAF Mildenhall, England. McDew visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force Photo by Senior Airman Christine Halan/Released)

U.S. Air Force Col. Kenneth T. Bibb, Jr., left, 100th Air Refueling Wing commander, and U.S. Air Force Gen. Darren W. McDew, right, Air Mobility Command commander, walk to a KC-135 Stratotanker on the flightline, April 22, 2015, on RAF Mildenhall, England. McDew visited RAF Mildenhall for a day, meeting Airmen from different squadrons and learning first-hand how Team Mildenhall refuels the fight. (U.S. Air Force photo by Senior Airman Christine Halan/Released)