vertical envelopment การใช้

It may mean airdrops or vertical envelopment to hold key points of terrain.
The Marines used the term vertical envelopment instead of air mobility or air assault.
HMX-1 performed its first vertical envelopment from the deck of an aircraft carrier in an exercise in 1949.
This exercise was the culmination of the Marines'developing strategy of vertical envelopment rather than amphibious assaults on heavily defended beaches.
Some, most notably the Elysian Drop Troopers and the Harakoni Warhawks, rely on aerial deployment and are experts in vertical envelopment.