A Tactical Meteorological Observing System-53 takes weather readings at Joint Base Langley-Eustis, Va., May 10, 2017. Weather forecasters assigned to the 1st Operations Support Squadron use the TMOS-53 if flightline sensors are unserviceable or when in remote locations to provide pilots the necessary information to land their aircraft. (U.S. Air Force photo/Senior Airman Derek Seifert)