ごく ちょう音速 おんそく滑空 かっくう兵器 へいきなら
gokuchōonsokukakkūe ikinara

Noun
Da Copula

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

1. If/when extremely supersonic gliding weaponry; When extremely supersonic gliding weaponry

Nara Conditional
Military