防衛 ぼうえう施設 しせつ ちょうではありませんでした
bō eushisetsuchōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 防衛施設庁

1. Was not the Defense Facilities Agency.; Was not a member of the Defense Facilities Agency.

Past/Perfective
Negative
Polite
Formal Register