高射 こうしゃ機関 きかん ほうじゃなかったです
kōsha kikan hōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 高射機関砲

1. Wasn't an anti-aircraft gun.; Wasn't a high-angle gun.

Past/Perfective
Negative
Polite
Casual Register