6-year TSA explosive-detection dog Rex retired from Milwaukee Mitchell International Airport.

6-year TSA explosive-detection dog Rex, a Milwaukee Mitchell International Airport veteran, retired after a successful career. Handler Regina Eisenberg accepted a K-9 Supervisor role at O'Hare International Airport in Chicago, while Rex's retirement was celebrated with a send-off party. Rex's loyal service to airport safety was commemorated and marks the beginning of his well-deserved rest.