火力 かりょく支援 しえん部隊 ぶたいでしょう
karyokushiembutaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 火力支援部隊

1. Fire support unit, probably.; They'll likely provide fire support.

Polite
Presumptive
Conjecture