陸海空軍 りくかいくうぐんじゃありませんでした
rikukaikūgunjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 陸海空軍

1. Was not land, sea, or air force.; Was not a member of the land, sea, or air forces.

Past/Perfective
Negative
Polite
Terminal Form