delta_ii | launchsite | cape_canaveral_air_force_station <sep> delta ii was an expendable launch system, originally designed and built by mcdonnell douglas, and sometimes known as the thorad delta 1 delta ii was part of the delta rocket family and entered service in 1989 delta ii vehicles included the delta 6000, and the two later delta 7000 variants ('light' and 'heavy') the rocket flew its final mission icesat-2 on 15 september 2018, earning the launch vehicle a streak of 100 successful missions in a row, with the last failure being gps iir-1 in 1997 
the delta ii was launched at the cape canaveral air force station.no information