That's something I'm going to have to try...hmmm...hard tack, fruit leather, beef jerky...anyone else see a common thread here?!  I should've been a dentist  <img src="images/graemlins/smile.gif" alt="" />  
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Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space,  a critter that can be killed but can't be tamed. --Robert A. Heinlein