ごく ちょう音速 おんそく滑空 かっくう兵器 へいきであれば
gokuchōonsokukakkūe ikideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 極超音速滑空兵器

1. If it is a hypersonic gliding weapon; Were it a hypersonic gliding weapon

Ba Conditional
Military