Interesting find. Thanks!
Make sure to turn the volume up.
http://science.nasa.gov/headlines/y2...testfiring.wmv
More about it:
http://www.space.com/businesstechnol...ne_rocket.html
An article about why the "shock diamonds" occure in the exhaust:
http://www.aerospaceweb.org/question...on/q0224.shtml
hm..interesting, i didn't know that americans tested such weapon
huh, interesting, thank you for info!