air force 
noun
A branch of the armed forces concerned with fighting or defence in the air.Nigeria's military consists of an army, a navy, an air force, and a police force....
- There was a huge evacuation, the army, the air force and the navy were all involved.
- That was why they had to come with their army, their air force and their navy.
- pupillometry
- pupil-master
- pupil-monger
- pupil nurse
- pupilometer
- pupil power
- dispensability
- dispensable
- dispensary
- dispensation
- dispensational
- dispensationalism
- dispensationalist
- dispense
- dispenser
- dispense with someone's services
- dispensing chemist
- dispensing optician
- dispersal
- dispersant
- disperse
- disperser
- dispersible
- dispersion
- dispersive