Imagine racing up the side of a snowy mountain to rescue an injured person, then, despite your fatigue, having to figure out the best way to secure that person and bring them back down safely. Using a minimal amount of rope and other supplies youRead more https://www.defense.gov/News/Feature-Stories/Story/Article/3771434/knots-pulleys-climbing-this-is-how-military-mountaineers-are-made/