air raid, air strike, air-raid precautions

U.S. Reveals Death Toll From Airstrikes Outside War Zones

By CHARLIE SAVAGE and SCOTT SHANE

About 64 to 116 civilians and about 2,500 members of terrorist groups have died in American airstrikes, the Obama administration said, hundreds lower than independent estimates.

air raid 

Pronunciation:

NOUN 1914

An attack in which bombs are dropped from aircraft on to a ground target:the town was destroyed in the air raid

air-raid precautions [alarms]  1935

ランダムハウス英和大辞典

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1. 警戒警報［空襲警報］.

air strike 

Pronunciation:

NOUN

An attack made by aircraft.