Airman 1st Class Francisco McGlothin, 35th Operations Support Squadron aircrew flight equipment technician, maintains a Joint Helmet Mounted Cueing System at Misawa Air Base, Japan, Aug. 22, 2013. A JHMCS consists of a helmet, oxygen mask and visor, and they must be inspected every 30 days to ensure all components are serviceable. (U.S. Air Force photo by Airman 1st Class Kaleb Snay)