U.S. Air Force Senior Airman Dishawn Harvey, right, 100th Civil Engineer Squadron Pavements and Construction Equipment heavy equipment operator, instructs U.S. Air Force Airman 1st Class Luke Sarafian, 100th CES Readiness and Emergency Management apprentice, on how to operate a front-end loader with fork attachments June 30, 2016, during the 100th CES annual Prime Base Engineering Emergency Force training on RAF Mildenhall, England. Airmen from the 100th CES trained on a variety of equipment and situations, including driving a Humvee, operating heavy machinery, land navigation, and high- and low-crawling. (U.S. Air Force photo by Karen Abeyasekere/Released)