Home Front: Rules of Threes (or more)

In survival, the rule of threes is a quick reference guide for how long one can generally stay alive in a survival emergency.

Originally posted on my birthday on Breach Bang & Clear you should go check out the other good reads there too! go there t orea dthe full article. 

Normally, it contains the following:

•   You can survive three minutes of severe bleeding, without breathable air (unconsciousness generally occurs), or in icy water.
• You can survive three hours in a harsh environment (extreme heat or cold). Think blizzards, the North Sea, at a Celine Dion concert ...
• You can survive three days without drinkable water.
• You can survive three weeks without edible food.

• When the Radiation alarm goes off, get out of Engineering, immediately . I'm looking at you, Midshipman 1st Class Peter Preston