the importance of water !! in 96' i was hiking in the dessert somewhere bihind ennemy lines en ran into a little trubble. 5 day's from pick up place with water for 2 day's ,45 miles a day. result , last the half of my hair, 3 theeth ,2 nails en 46 from my 142 pounds ,pain in the kidney's en 3 monts later i was ok . by sure you have water at all times ,thanks kris