Airmen place 1.1D Mass Detonation explosives signs on trailers carrying munitions during the 2015 Combat Ammunition Production Exercise, Andersen Air Force Base, Guam, June 1, 2015. The signs notify people to maintain a safe distance from vehicles displaying the sign as they are used to alert the general public that they are explosive laden. (U.S. Air Force photo by Airman 1st Class Joshua Smoot/Released)