The bird's air sacs help it breathe more efficiently.

The air service was crucial in the military operation.

She always puts on airs and acts like she's better than everyone else.

Air Vice Marshal is a high-ranking officer in the British Royal Air Force.

I packed the fragile items in an air-filled bag, while the other articles were wrapped in bubble wrap.

The Royal Air Force is the aerial warfare force of the United Kingdom.

Air Chief Marshal is the highest rank in the Royal Air Force.

The air sea rescue team successfully saved the passengers of the stranded aircraft.