Lt. Gen. Jerry Martinez, U.S. Forces, Japan and 5th Air Force commander, left, tests the consistency of the cement mixture during a Rapid Airfield Damage Repair demonstration Oct. 16, 2018, at Kadena Air Base, Japan. 18th Civil Engineer Squadron Airmen who took part in the demonstration were recognized by Martinez for their hard work in airfield recovery. (U.S. Air Force photo by Senior Airman Kristan Campbell)