A U.S. Air Force E-4B National Airborne Operations Center aircraft takes off from Offutt Air Force Base, Neb., July 10, 2019. The E-4B is capable of seating more than 100 people, including a joint-service team, an Air Force flight crew, maintenance and security components, a communications team and selected augmentees. (U.S. Air Force photo by Staff Sgt. Jacob Skovo)