緊急 きんきゅう浮上 ふじょう訓練 くんれんじゃないです
kinkyūfujōkunrenjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 緊急浮上訓練

1. It's not emergency surfacing training.

Negative
Polite
Casual Register