Intrepid yaiva bhaluni yehydrogen kana aerostat yakavakwa kuti ishandiswe neUnion Army Balloon Corps nokuda kwezvinangwa zvekuongorora mhepo munguva yeAmerican Civil War. Yaiva imwe yemabhaluni manomwe akavakirwa Balloon Corps uye yaiva imwe yemabhaluni mana makuru akagadzirirwa kuita kukwira kumusoro kune nzvimbo dzakakwirira dzine simba rakakura rokusimudza michina yetelegraph uye mushandi. Yakanga iri bharuni rakasarudzwa nokuda kwoMutungamiriri weAeronaut Thaddeus Lowe achitarira Hondo yeFair Oaks
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