PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- 911th Aircraft Maintenance Squadron communication and navigation systems technicians, tighten the flare panel after working on flares on a C-17 Globemaster III at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Oct. 8, 2021. Flares are used by C-17 aircrew as a decoy to defend against infrared guided missiles.