Main Page | See live article | Alphabetical index The Delta II/III Launch Vehicle Family was developed by Rocketdyne/Boeing at Chatsworth and Canoga Park, California, and its rockets' engines tested at Boeing's Santa Susana Field Laboratory, (SSFL), located northwest of Los Angeles in the Simi hills. Delta III effectively doubled the performance of the Delta II expendable launch system rockets. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.