Airman Hunter Rudnick, 366th Training Squadron explosive ordnance disposal student, performs a 45-pound weighted low crawl through a sand pit during the EOD preliminary course April 26, 2018. The EOD preliminary school was designed to filter out the best candidates to go on to the Navy School Explosive Ordnance Disposal at Eglin AFB, Florida, and weed out those who didn’t meet standards. (U.S. Air Force photo by Senior Airman Robert L. McIlrath)