Delta 0300 – McDonnell Douglas Family: Delta Length: 34 meters Diameter: 2.44 meters Launch Mass: 90 The Delta 0300 was manufactured by McDonnell Douglas with the first launch on 1972-10-15. Delta 0300 has 0 successful launches and 0 failed launches with a total of 0 launches. The Delta 0100 series, also Delta 100, 0300 or 300 series, was an American expendable launch system which conducted orbital launches between 1968 and 1972. It was a member of the Delta family of rockets, and the first to be designated using a four digit numerical code. Two variants were flown, individually designated Delta 0300 and Delta 0900. Manufacturer McDonnell Douglas is a Commercial USA entity that was founded in and is administered by . McDonnell Douglas has 0 successful launches and 0 failed launches with a total of 0 launches.