A patch is displayed on a helmet during a 11th Civil Engineer Squadron explosive ordnance disposal training exercise on Joint Base Andrews, Md., June 26, 2018. EOD Airmen are trained to detect, disarm, detonate and dispose of explosives and support and execute Department of Defense contingencies worldwide. (U.S. Air Force photo by Airman Michael S. Murphy)

Airman 1st Class Aaron Chandleur, 11th Civil Engineer Squadron explosive ordnance disposal apprentice, controls an Andros F6A EOD robot during training on Joint Base Andrews, Md., June 26, 2018. The 11th EOD uses the robot when tackling some potential life-threatening situations. (U.S. Air Force photo by Airman Michael S. Murphy)

An 11th Civil Engineer Squadron explosive ordnance disposal Andros F6A robot is operated during training on Joint Base Andrews, Md., June 26, 2018. The 11th EOD responds to chemical munitions, suspicious packages, unexploded ordnances, and provides support to the Secret Service for domestic and foreign dignitaries. The 11th EOD uses the robot, commonly referred to as “Eleanor”, when tackling some life-threatening situations. (U.S. Air Force photo by Airman Michael S. Murphy)

Staff Sgt. Hunter Eckwall, right, 11th Civil Engineer Squadron explosive ordnance disposal craftsman, helps 2nd Lt. Will Heinzel, 11th CES program manager, don a bomb suit on Joint Base Andrews, Md., June 26, 2018. The EOD suit is body armor made to help protect the wearer during an explosion. (U.S. Air Force photo by Airman Michael S. Murphy)

Staff Sgt. Paul Christiansen, left, 11th Civil Engineer Squadron NCO in charge of explosive ordnance disposal operations, and Senior Airman Kevin Cohan, 11th CES EOD journeyman, prepare to approach a simulated unexploded ordnance during a chemical training exercise on Joint Base Andrews, Md., June 26, 2018. The exercise simulated a response to a damaged chemical munition. EOD Airmen are trained to detect, disarm, detonate and dispose of explosives and support and execute Department of Defense contingencies worldwide. (U.S. Air Force photo by Airman Michael S. Murphy)