Airman participates in EOD immersion Air Force Staff Sgt. Michael McNally, 355th Maintenance Group scheduler, removes the cover from an adhesive strip on a block of C4 plastic explosive during an explosive ordnance disposal immersion course at Davis-Monthan Air Force Base, Ariz., June 28, 2016. McNally has worked in the maintenance support field for the past eight years. Air Force photo by Airman Nathan H. Barbour SHARE IMAGE: Download Image: Full Size (0.87 MB) Tags: tucson, D-M , Davis-Monthan , Face of Defense Photo By: Airman Nathan H. Barbour VIRIN: 160628-F-ZZ999-666.JPG Photo Gallery