Col. E. John Teichert, left, 11th Wing and Joint Base Andrews commander, hands the 11th MSG guidon to Col. Bradley L. Johnson, 11th MSG commander, during a change of command ceremony at Joint Base Andrews, Md., July 6, 2017. Johnson replaced Col. William H. Kale III as 11th MSG commander. Johnson will preside over 1,500 personnel providing civil engineer, contracting, force support and logistics capabilities to 16,000 personnel throughout the National Capital Region. (U.S. Air Force photo by Senior Airman Jordyn Fetter)

Col. Bradley L. Johnson, 11th Mission Support Group commander, addresses his new command for the first time during the 11th MSG change of command ceremony at Joint Base Andrews, Md., July 6, 2017. Johnson will preside over 1,500 personnel providing civil engineer, contracting, force support and logistics capabilities to 16,000 personnel throughout the National Capital Region. (U.S. Air Force photo by Senior Airman Jordyn Fetter)

Col. E. John Teichert, left, 11th Wing and Joint Base Andrews commander, and Col. William H. Kale III, right, former 11th Mission Support Group commander, applaud for Col. Bradley L. Johnson, 11th MSG commander, during a change of command ceremony at Joint Base Andrews, Md., July 6, 2017. Johnson will preside over 1,500 personnel providing civil engineer, contracting, force support and logistics capabilities to 16,000 personnel throughout the National Capital Region. (U.S. Air Force photo by Senior Airman Jordyn Fetter)

Col. William H. Kale III, former 11th Mission Support Group commander, speaks during the 11th MSG change of command ceremony at Joint Base Andrews, Md., July 6, 2017. Kale relinquished his command of the group to Col. Bradley L. Johnson. Col. E. John Teichert, 11th Wing and JBA commander, presided over the ceremony. (U.S. Air Force photo by Senior Airman Jordyn Fetter)

Airmen from the 11th Mission Support Group stand in formation during the 11th MSG change of command ceremony at Joint Base Andrews, Md., July 6, 2017. The 11th MSG is responsible for a $5.4 billion physical plant, 2.5 million-square-yard airfield with two runways, and an $81 million operating budget supporting five alert missions. They are also responsible for the welfare and discipline of more than 60,000 military personnel assigned to the Office of the Secretary of Defense, Headquarters U.S. Air Force and Department of Defense Agencies worldwide. (U.S. Air Force photo by Senior Airman Jordyn Fetter)