In this excerpt from 100 Deadly Skills: The SEAL Operative's Guide, retired Navy SEAL Clint Emerson explains how to survive a drowning attempt. When an operative is captured in hostile territory, the odds of survival are low.
Need an emergency recharge for you phone? Do you have a car charger handy? Or a 9 volt battery and a quarter? Then you can recharge your phone during a power outage or if you're somewhere it isn't convenient
This is one way to keep your tent up out of rain puddles, but probably pretty sketchy in a windstorm. Suspended tent, can be made from old trampoline or similar hoop. - Floating Round Hanging Bed With Waterproof Tent For Camping Or Outdoor Use