A photo of the left wheel on a U.S. Air Force F-16C Fighting Falcon Oct. 2, 2020, at the 177th Fighter Wing, Egg Harbor Township, N.J. Aircraft armament weapons loaders underwent their quarterly Minimum Required Proficiency Level qualification training, allowing them to retain their qualification to load various types of ordinance onto aircraft. (U.S. Air National Guard photo by Airman 1st Class Hunter Hires)