要撃 ようげき戦闘 せんとう じゃなかったです
yōgekisen tōkijanakattadesu

Noun
Desu Copula

The polite, past negative form of 要撃戦闘機

1. Was not an interceptor fighter.; Wasn't an interceptor.

Past/Perfective
Negative
Polite
Casual Register