Air guitarists are known for their impressive imaginary guitar skills.

He enjoys air-guitaring in his free time.

He air-guitared to his favorite song.

He air-guitars like a rockstar.

He loves to air-guitar whenever he hears his favorite song.

He pretended to be an air guitarist during the concert.

Air parcels are transported by airplanes.

The city has many air-raid shelters to protect its residents during times of war.

The city experienced several air raids during the war.

I took an air photo of the city from a helicopter.