File:Lockheed X-17 Launch.jpg

Summary
The X-17 made its maiden flight in 1955. Info from original source: An X-17 re-entry vehicle test launch. The bright flames in the rocket’s center are from small "spin rockets" that made the X-17 stable by imparting a counter-clockwise rotation at launch. (U.S. Air Force photo) http://commons.wikimedia.org/wiki/File:Lockheed_X-17_Launch.jpghttp://commons.wikimedia.org/wiki/File:Lockheed_X-17_Launch.jpg