Col. Gregory Wood, 30th Space Wing vice commander, assists Senior Airmen Nathan Sine and Christopher Champagne, 30th Logistics Readiness Squadron vehicle maintainers, change a wheel with a Goats wheel changer, April 7, 2017, at Vandenberg Air Force Base, Calif. Wood visited the 30th LRS to interact with Airmen and experience the mission. (U.S. Air Force photo by Tech. Sgt. Jim Araos/Released)