沈船 ちんせん捜索 そうさく救助 きゅうじょ計画 けいかくでしょう
chinsensōsakukyūjokeikakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 沈船捜索救助計画

1. Probably a plan to search for and rescue a sunken ship.

Polite
Presumptive
Conjecture