Credible Sport actually got airborne in much less than 100ft. More like 2
1/2 - 5 tire revolutions.

Les

The CREDIBLE SPORT aircraft modifed for a second Iranian hostage rescue
attempt were supposed to take off with about a 100-ft ground roll. They
used a massive amount of rocket assist, far more that the usual RATO
units.

A couple of descriptions of Credible Sport:
http://home.earthlink.net/~quade/crediblesport.html
http://www.spectrumwd.com/c130/artic...ible_Sport.htm

and pictures:
http://www.spectrumwd.com/c130/new-pics/dec.htm

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