gunfire cover provided for ground or naval forces in a military operation by their own artillery or air support.
| 单词 | θ165338 | 
| 释义 | society > armed hostility > hostilities in the air > 			[noun]		 > air protection of military operation (2)		 fire support1896 gunfire cover provided for ground or naval forces in a military operation by their own artillery or air support. air cover1941 protection by aircraft during a military operation. | 
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