Defensive Shelter and Tunnel Tactics for Survival
Building a defensive shelter and tunnel enhances survival by providing protection and concealment. Proper site selection, construction techniques, and camouflage are essential.
Expedient Blast Shelter Construction and Ventilation System Design
The article details the construction of blast doors using plywood and steel angle brackets, along with the installation of overlapping-flap blast valves for ventilation, ensuring both components can withstand overpressure forces and are quickly operable in emergencies.