Encyclopedia entry DACO USA Original archive entry. The text, images and links below are kept as they were written. DACO. RelatedCountryUSAChronology 1 event1964 February 14 07:47 GMT - . Launch Site: Johnston Island. Launch Complex: Johnston Island LE1. LV Family: Thor. Launch Vehicle: Thor DSV-2J. AFP-437 demonstration interceptor mission - . Nation: USA. Agency: DACO, USAF. Apogee: 1,000 km (600 mi).