Unhinged Published Nov. 4, 2016 By Airman 1st Class Corey M. Pettis 18th Wing Public Affairs KADENA AIR BASE, Japan -- A construction worker welds a hangar door that is being replaced Nov. 1, 2016, at Kadena Air Base, Japan. In an environment where the air is humid and salty, rust plays a factor in every day maintenance so extra work helps ensure buildings are functional and mission ready. (U.S. Air Force photo by Airman 1st Class Corey M. Pettis/Released)