Gas mask inspection
South Carolina Air National Guard Airmen test inspect their new M50 gas mask during the 169th Fighter Wing Operational Readiness Exercise, McEntire Joint National Guard Base, S.C., January 11, 2013. The Fighter Wing is preparing themselves for their Operational Readiness Inspection (ORI) later this year; the ORI will inspect the wing’s war fighting capabilities. (National Guard photo/Staff Sgt. Jorge Intriago)