航空 こうくう警務 けいむ たいではありませんでした
kōkūkei mutaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 航空警務隊

1. Was not a member of the aviation security force.; Was not part of the aviation police unit.

Past/Perfective
Negative
Polite
Formal Register