厳戒 げんかい態勢 たいせいではありませんでした
genka itai seidewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 厳戒態勢

1. Was not on high alert.; Was not under strict guard.

Past/Perfective
Negative
Polite
Formal Register