Dade-Collier Training and Transition Airport, formerly the Everglades Jetport, (IATA: TNT, ICAO: KTNT, FAA LID: TNT) is a former public airport located within the Florida Everglades, in unincorporated Collier County, Florida, 36 miles (58 km) west of the central business district of Miami. It is owned by Miami-Dade County and operated by the Miami-Dade Aviation Department. The airport is on Tamiami Trail near the border between Dade and Collier counties in central South Florida. It serves as a makeshift immigration detention facility being used by the U.S. Department of Homeland Security.