U.S. Air Force Airman 1st Class Erika Jimenez, 961st Aircraft Maintenance Unit aerospace propulsion technician, pulls away an aircraft wheel chock from an E-3 Sentry from the 961st Airborne Air Control Squadron June 8, 2017, at Kadena Air Base, Japan. In support of air-to-ground operations, the Sentry can provide direct information needed for interdiction, reconnaissance, airlift and close-air support for friendly ground forces. (U.S. Air Force photo by Senior Airman John Linzmeier)