Air assault

（重定向自Vertical Envelopment）

Royal Marines Commandos preparing to abseil down from a Royal Marines Lynx helicopter from 847 Naval Air Squadron (NAS), used in utility support of 3 Commando Brigade. They can also act as attack helicopters with the addition of two pods of four TOW wire-guided anti-tank missiles.

Extraction of troops after an airmobile assault during the Vietnam War.

Air assault is the movement of ground-based military forces by vertical take-off and landing (VTOL) aircraft—such as the helicopter—to seize and hold key terrain which has not been fully secured, and to directly engage enemy forces. In addition to regular infantry training, air-assault units usually receive training in rappelling and air transportation, and their equipment is sometimes designed or field-modified to allow better transportation within aircraft.

单词	Vertical Envelopment
释义	Vertical Envelopment 英语百科 Air assault （重定向自Vertical Envelopment） Air assault is the movement of ground-based military forces by vertical take-off and landing (VTOL) aircraft—such as the helicopter—to seize and hold key terrain which has not been fully secured, and to directly engage enemy forces. In addition to regular infantry training, air-assault units usually receive training in rappelling and air transportation, and their equipment is sometimes designed or field-modified to allow better transportation within aircraft.
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