Complex sentence: The Lockheed L-193 "Global Jet Transport" was a jet airliner design concept designed between 1949 and 1953 with a swept wing and engines mounted at the tail.
Split into simpler sentences: The Lockheed L-193 "Global Jet Transport" was a jet airliner design concept. It was designed between 1949 and 1953 with a swept wing and engines mounted at the tail.