A U.S. Air Force Airman runs through pre-flight procedures of a 33rd Rescue Squadron HH-60 Pave Hawk during a training exercise April 12, 2017, at Kadena Air Base, Japan. Maintaining operational readiness is essential for the 18th Wing to be able to respond to any natural disaster or adversarial threat in the region. (U.S. Air Force photo by Senior Airman John Linzmeier)