08-18-10, 12:24 PM
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#3
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Eternal Patrol
Join Date: Nov 2002
Location: High in the mountains of Utah
Posts: 50,369
Downloads: 745
Uploads: 249
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This will tell you more than you ever wanted to know. 
http://www.maritime.org/fleetsub/tubes/chap7.htm
__________________
“Never do anything you can't take back.”
—Rocky Russo
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