Airmen Alert Air Force Senior Airman Alexander Keskinen, an explosive ordnance disposal technician with the 315th Civil Engineer Flight, alerts other members that a controlled explosion is about to detonate on Joint Base Charleston, S.C., June 27, 2020. “Fire in the hole” is typically the phrase shouted by the designated member to let everyone know the controlled explosion is about to commence. SHARE: Download: Full Size (0.66 MB) Credit: Air Force Senior Airman William Brugge VIRIN: 200627-F-GG444-1016M.JPG Photo Gallery