Close air support (CAS) is air action by fixed- and rotary-wing aircraft against hostile targets that are in close proximity to friendly forces and that

require detailed integration of each air mission with the fire and movement of those forces.

Explanation:

Close air support (CAS) is air action by fixed- and rotary-wing aircraft against hostile targets that are in close proximity to friendly forces and that require detailed integration of each air mission with the fire and movement of those forces.

This involves the use of bombs, rockets and missile and this tactics helps for the required precision to avoid unnecessary loss of lives and properties.

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