Staff Sgt. David Chorpeninng, 366th Fighter Wing survival, evasion, resistance and escape specialist, pops the illumination end of a MK-124 marine smoke and illumination signal Sept. 26, 2019, at Saylor Creek Bombing Range, Idaho. The signal requires gloves when using because of the aluminum canister heats up. (U.S. Air Force photo by Airman Antwain L. Hanks)