緊急 きんきゅう浮上 ふじょう訓練 くんれんでしょう
kinkyūfujōkunrendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 緊急浮上訓練

1. Probably emergency surfacing training.

Polite
Presumptive
Conjecture