Project Carryall

1963 American nuclear excavation proposal

en-GB/ˈpɹɒd͡ʒɛkt kæɹiːɔːl/
en-US/ˈpɹɑd͡ʒɛktn ˈkæɹiˌɑl/

カテゴリ：

proposalpeaceful nuclear explosion