Senior Airman Joshua Stewart, left, 8th Operations Support Squadron aircrew flight equipment technician, double-checks that the neck seal on an anti-exposure suit is properly clamped as Staff Sgt. Joshua Smith, 8th OSS AFE assistant NCO in charge, helps Dec. 11, 2012, at Kunsan Air Base, Republic of Korea. The suits, which have an average shelf life of 10 years, are tested regularly for mission readiness. (U.S. Air Force photo/Senior Airman Brigitte N. Brantley/Released)