風船爆弾 (ふうせんばくだん) — fire balloon (experimental weapon launched by Japan during World War II); balloon bomb
風船爆弾
ふ う せ ん ば く だ ん
Fire balloon (experimental weapon launched by Japan during World War II); balloon bomb
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風船爆弾 (ふうせんばくだん) — fire balloon (experimental weapon launched by Japan during World War II); balloon bomb