A 99th Airlift Squadron C-20 aircraft, tail number 60206, is parked on the flightline during its retirement ceremony at Joint Base Andrews, Md., Aug. 30, 2017. The aircraft came into service at JBA in 1983 and is now retiring from the Air Force after 34 years of service. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Base members attend the retirement ceremony of the C-20 aircraft at Joint Base Andrews, Md., Aug. 30, 2017. For more than three decades, the 99th Airlift Squadron has operated this aircraft to transport the vice president, first lady, secretary of defense and other high ranking officials. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Col. Casey Eaton, 89th Airlift Wing commander, speaks during a C-20 aircraft retirement ceremony at Joint Base Andrews, Md., Aug. 30, 2017. Since the aircraft’s induction in the Air Force in 1983, the C-20s have flown 34,855 sorties and more than 89,700 flight hours providing safe, reliable and protected airlift for U.S. leaders and foreign dignitaries. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

89th Airlift Wing leadership pose for a photo during a C-20 aircraft retirement ceremony at Joint Base Andrews, Md., Aug. 30, 2017. The 89th AW mission is to enable national interest through global transportation for America’s senior leaders through safe, comfortable, reliable, connected and protected flights. The C-20 has accomplished this since its induction in 1983. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

A 99th Airlift Squadron aircrew boards a 99th AS C-20 aircraft during a retirement ceremony at Joint Base Andrews, Md., Aug. 30, 2017. For more than three decades, the 99th AS has operated C-20s to transport the vice president, the first lady, the secretary of defense, and other high ranking officials. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

A 99th Airlift Squadron C-20 aircraft is covered in water during the aircraft’s retirement ceremony at Joint Base Andrews, Md., Aug. 30, 2017. The C-20 came into service at JBA in 1983 and is now retiring from the Air Force after 34 years of service. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)