Members of the Joint Base Andrews Base Honor Guard display the colors during the 811th Operations Group change of command ceremony at Joint Base Andrews, Md., July 7, 2017. Col. Scott A. Grundahl relieved Col. Fred C. Koegler III as commander of the 811th OG. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

A Joint Base Andrews Base Honor Guard member stands in formation before the 811th Operations Group change of command ceremony at Joint Base Andrews, Md., July 7, 2017. Col. Scott A. Grundahl relieved Col. Fred C. Koegler III as commander of the 811th OG. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, left, Col. Fred C. Koegler III, center, and Col. Scott A. Grundahl, right, stand during the 811th Operations Group change of command at Joint Base Andrews, Md., July 7, 2017. Grundahl relieved Koegler as commander of the 811th OG. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

Audience members look on as Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, gives his opening remarks during the 811th Operations Group change of command ceremony at Joint Base Andrews, Md., July 7, 2017. Col. Scott A. Grundahl relieved Col. Fred C. Koegler III as commander of the 811th OG. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, left, presents outgoing 811th Operations Group Commander Col. Fred C. Koegler III with the Legion of Merit award during the 811th OG change of command ceremony at Joint Base Andrews, Md., July 7, 2017. Koegler was presented the award for his exceptional meritorious conduct as commander. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, left, presents Col. Scott A. Grundahl with the 811th Operations Group guidon during the 811th OG change of command ceremony on Joint Base Andrews, Md., July 7, 2017. Grundahl relieved Col. Fred. C. Koegler III as commander of the group. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

The 811th Operations Group unveiled incoming commander Col. Scott A. Grundahl’s name on a UH-1N Iroquois helicopter during the group’s change of command ceremony at Joint Base Andrews, Md., July 7, 2017. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)

Five UH-1N Iroquois helicopters sit in hangar one during the 811th Operations Group change of command ceremony at Joint Base Andrews, Md., July 7, 2017. Col. Scott A. Grundahl relieved Col. Fred. C. Koegler III as 811th OG commander. The group consists of the 811th Operations Support Squadron and the 1st Helicopter Squadron both of which provide the National Capital Region with continuous rotary-wing contingency response. (U.S. Air Force photo by Christopher Hurd)