air force
US /ˈer fɔːrs/
UK /ˈer fɔːrs/

1.
공군
the branch of a nation's armed services that conducts military operations in the air
:
•
My brother joined the Air Force after high school.
우리 형은 고등학교 졸업 후 공군에 입대했어.
•
The country's Air Force conducted a training exercise.
그 나라의 공군은 훈련을 실시했다.