__SPACER__ This picture shows a Phantom jet with engines, the instant before it slammed into 15 feet of reinforced concrete at nearly 500 miles an hour. Click through if you want to see a video of what happens next.
__SPACER__ Col. John Paul Stapp aboard the Gee Whiz rocket sled at<p />Edwards Air Force Base. The origin of the term Murphys Law comes from an engineer of the same name who worked on the Rocket Sled program. Click through for details.
__SPACER__ Things have come a long way since the 200mph Gee whiz tests. The Holloman High Speed Test Track carried out a missile test on a sled track that reached 6400mph, crossing 3 miles on 6 seconds and breaking a 20 year old world speed record.