きゅう降下 こうか爆撃 ばくげきじゃありませんでした
kyūkōka bakugekijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 急降下爆撃

1. Was not a dive bomber.; Was not a steep descent attack.

Past/Perfective
Negative
Polite
Terminal Form