Please translate shirt

I found this awesome cold-war looking tshirt but I cant for the life of me translate the first word of it.

text is - прекпатить милитаризацию космоса!

link to image - http://www.redbubble.com/people/tgig...r-poster-faded

Quote:

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Originally Posted by Linden

text is - прекратить милитаризацию космоса!

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to stop

Stop militarization of space!
http://en.wikipedia.org/wiki/Militarisation_of_space :)

Thank you so much!