436th OSS Weather Flight
Staff Sgt. Justin Snowden, 436th Operations Support Squadron weather technician, uses a Kestrel 4500 handheld weather meter Oct. 30, 2014, at Dover Air Force Base, Del. Some of the meter’s capabilities include a digital compass and can measure wind direction, crosswind and headwind/tailwind. (U.S. Air Force photo/Airman 1st Class William Johnson)