Tech. Sgt. Ronald Hairston, a ground transportation operator with the 26th Aerial Port Squadron at Joint Base San Antonio-Lackland, Texas, secures concertina wire in preparation for shipping to the U.S. Army on May 22, 2020. Hairston, a Reserve Citizen Airman was call to duty to assist with transportation missions that has taken him all over Lackland to include on and off base. (Courtesy photo by Master Sgt. Juan J. Guerra/Released)