active duty

: characterized by action rather than by contemplation or speculation

: producing or involving action or movement

: asserting that the person or thing represented by the grammatical subject performs the action represented by the verb

: an active person : one engaged in an action or activity

: conduct due to parents and superiors : respect

: obligatory tasks, conduct, service, or functions that arise from one's position (as in life or in a group)

: assigned service or business

: done as a duty

: being on duty : assigned to specified tasks or functions