艦砲 かんぽう射撃 しゃげきではありませんでした
kampōshagekidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 艦砲射撃

1. Was not naval gunfire.; Was not a naval bombardment.

Past/Perfective
Negative
Polite
Formal Register