Complex sentence: The most popular uses of this engine were in the Fouga Magister and the MS-760 Paris jet, and it was also licensed for production in the United States as the Continental-Teledyne J69, and used in the Cessna T-37.
Split into simpler sentences: The most popular uses of this engine were in the Fouga Magister and the Morane-Saulnier M.S.760 "Paris". It was also licensed for production in the United States as the Continental-Teledyne J69, and used in the Cessna T-37.