Witness some of the most daring air rescue missions of the last half-century, featuring old, single-engine warhorses and high-tech wonders of ingenuity and design.

Highlighting the most daring wartime helicopter rescues. Starting with the Vietnam War, where an unarmed helicopter used its rotary blades to cut down the jungle's 40-foot-tall bamboo and create a landing space to rescue over 100 troops under-fire.—Anonymous