誤爆 ごばく
gobaku

Noun
Suru Verb

1. bombing (shelling) the wrong target; (be killed by) friendly fire

海軍 かいぐんのジェット はとんでもない方向 ほうこう飛行 ひこうして、味方 みかた軍隊 ぐんたい誤爆 ごばくした模様 もようだ。
kaigunno jettokiwa tondemonai hōkōni hikō shite mikatano guntaio gobaku shita moyōda.
It seems the navy jets had a major screw-up in navigation and they bombed their own troops by mistake.