X-15
http://x15.xtremeprototypes.com/comm...ption_lg_2.jpg
Powered by XLR-99
http://www.jplanes.com/Images/X-15%208.jpg
You're looking into the business end of the XLR-99 rocket engine, which consumes up to 15,000 pounds of anhydrous ammonia and liquid oxygen in about 80 seconds on a typical flight, 1,000,000 HP.
