GURPS GURPS Prime Directive
You have found the way to GURPS Prime Directive on GURPS:
See also:
GURPS Prime Directive - Star Fleet Universe role playing game in the empires of Star Fleet Battles.
Ogre Cave - GURPS Prime Directive core rulebook review by Matthew Pook.
Prime Directive Online - Defenders of the Faith online roleplaying campaign.
Steve Jackson Games - How to use the core Prime Directive rulebook in a GURPS game. Help build the largest human-edited directory on the web.