Dropsonde, meteorological data monitor, seen at Keesler USAF Base in Biloxi
A U.S. Air Force Reserves officer from the 53rd Weather Reconnaissance Squadron know as the "Hurricane Hunters" shows the inner workings of a dropsonde, a device dropped from planes to monitor meteorological data in a hurricane, at Keesler Air Force Base in Biloxi, Mississippi, U.S., September 8, 2017. Picture taken September 8, 2017. REUTERS/Kevin Lamarque