Colombian Air Force Lt. Col. Rolando Aros, pilot, conducts pre-flight checks on a 767 Multi-Mission Tanker Transport Jupiter aircraft at Davis-Monthan Air Force Base, Ariz., July 11, 2018. The 767 MMTT Jupiter and six Colombian Air Force’s Kfir fighter jets trained at Davis-Monthan AFB for a week and a half in preparation for Red Flag 18-3 at Nellis Air Force Base, Nevada. (U.S. Air Force photo by Staff Sgt. Angela Ruiz)