Delta 1604 – McDonnell Douglas Family: Delta Length: 35 meters Diameter: 2.44 meters Launch Mass: 118 Low Earth Orbit Capacity: 600 The Delta 1604 was manufactured by McDonnell Douglas with the first launch on 1972-09-23. Delta 1604 has 0 successful launches and 0 failed launches with a total of 0 launches. The Delta 1000 series (also referred to as Straight-Eight) was an American expendable launch system which was used to conduct eight orbital launches between 1972 and 1975. It was a member of the Delta family of rockets. Several variants existed, differentiated by a four digit numerical code. 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.