Watch Weapons of War - A History of Military Tools and Machines Season 1 Episode 39 Online
- COUNTRIES: United States of America
- Subtitles: English
Close air support (CAS) is the use of military aircraft in a ground -attack role against targets in close proximity to friendly forces. With aircraft serving as "airborne artillery" to direct support of the troops, CAS requires detailed integration with the fire and movement of ground forces.
