T\u00e0u ng\u1ea7m l\u1edbp I-400 c\u1ee7a Nh\u1eadt c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea3i tr\u1ecdng l\u1edbn; Ngu\u1ed3n: interestingengineering.com<\/figcaption><\/figure>\nTuy nhi\u00ean, v\u1ec1 sau, k\u1ebf ho\u1ea1ch \u0111\u00e3 b\u1ecb r\u00fat xu\u1ed1ng c\u00f2n 9 chi\u1ebfc, v\u00e0 cu\u1ed1i c\u00f9ng ch\u1ec9 c\u00f3 3 chi\u1ebfc \u0111\u01b0\u1ee3c \u0111\u00f3ng l\u00e0 I-400 t\u1ea1i Kure I-401 v\u00e0 I-402 t\u1ea1i Sasebo.<\/p>\n
T\u00e0u n\u1eb7ng 6.500 t\u1ea5n, d\u00e0i 120 m (g\u1ea5p ba l\u1ea7n k\u00edch c\u1ee1 t\u00e0u ng\u1ea7m b\u00ecnh th\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3), d\u00f9ng 4 \u0111\u1ed9ng c\u01a1 diesel 3.000 m\u00e3 l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 mang 1.750 t\u1ea5n nhi\u00ean li\u1ec7u \u2013 \u0111\u1ee7 \u0111\u1ec3 \u0111i m\u1ed9t v\u00f2ng r\u01b0\u1ee1i quanh tr\u00e1i \u0111\u1ea5t (nhi\u1ec1u h\u01a1n c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111i t\u1eeb \u0110\u00f4ng sang T\u00e2y, \u0111\u1ebfn \u0111\u01b0\u1ee3c M\u1ef9), c\u0169ng nh\u01b0 l\u01b0\u01a1ng th\u1ef1c-th\u1ef1c ph\u1ea9m trong b\u1ed1n th\u00e1ng tr\u00ean bi\u1ec3n cho th\u1ee7y th\u1ee7 \u0111o\u00e0n 147-157 th\u00e0nh vi\u00ean.<\/p>\n
Lo\u1ea1i t\u00e0u ng\u1ea7m n\u00e0y \u0111\u01b0\u1ee3c trang b\u1ecb 8 \u1ed1ng ph\u00f3ng ng\u01b0 l\u00f4i 533 mm c\u00f9ng v\u1edbi 1 kh\u1ea9u \u0111\u1ea1i b\u00e1c 140 mm t\u1ea7m b\u1eafn 15 km \u1edf ph\u00eda \u0111u\u00f4i, v\u00e0 4 ph\u00e1o lo\u1ea1i 25 mm \u0111\u1ec3 t\u00e1c chi\u1ebfn ph\u00f2ng kh\u00f4ng. I-400 c\u00f3 th\u1ec3 mang 3 chi\u1ebfc th\u1ee7y phi c\u01a1 Aichi M6A Seiran, m\u1ed7i chi\u1ebfc c\u00f3 th\u1ec3 mang 800 kg bom \u0111\u1ea1n v\u00e0 bay xa 650 km v\u1edbi t\u1ed1c \u0111\u1ed9 475 km\/gi\u1edd.<\/p>\n
Nh\u1eefng chi\u1ebfc Aichi M6A1 b\u00ed m\u1eadt n\u00e0y ban \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u201cm\u1ed9t tr\u1eadn Tr\u00e2n Ch\u00e2u C\u1ea3ng th\u1ee9 hai\u201d, theo \u00fd \u0111\u1ed3 c\u1ee7a vi\u00ean \u0110\u00f4 \u0111\u1ed1c mang tinh th\u1ea7n Samurai \u2013 ng\u01b0\u1eddi tin r\u1eb1ng, c\u00e1c t\u00e0u s\u00e2n bay ng\u1ea7m n\u00e9m bom \u201cnh\u01b0 m\u01b0a\u201d xu\u1ed1ng c\u00e1c th\u00e0nh ph\u1ed1 l\u1edbn c\u1ee7a M\u1ef9 ch\u1eafc ch\u1eafn s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00e2n M\u1ef9 \u201cm\u1ea5t \u00fd ch\u00ed chi\u1ebfn \u0111\u1ea5u\u201d.<\/p>\n
Yamamoto tin m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea5t ng\u1edd th\u1ee9 hai v\u00e0 th\u1eadm ch\u00ed c\u00f2n nhi\u1ec1u h\u01a1n th\u1ebf n\u1eefa s\u1ebd g\u00e2y thi\u1ec7t h\u1ea1i v\u1ec1 m\u1eb7t t\u00e2m l\u00fd cho ng\u01b0\u1eddi M\u1ef9 v\u00e0 c\u00f3 l\u1ebd s\u1ebd l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 khi\u1ebfn ng\u01b0\u1eddi M\u1ef9 theo \u0111u\u1ed5i t\u00ecm ki\u1ebfm h\u00f2a b\u00ecnh.<\/p>\n
Khi chu\u1ea9n b\u1ecb chi\u1ebfn \u0111\u1ea5u, Seiran c\u00f3 s\u1ea3i c\u00e1nh 12 m v\u00e0 chi\u1ec1u d\u00e0i 11,6 m; c\u00e1nh c\u1ee7a Seiran c\u00f3 th\u1ec3 g\u1ea5p l\u1ea1i, \u0111u\u00f4i ngang v\u00e0 d\u1ecdc c\u1ee7a m\u00e1y bay c\u0169ng c\u00f3 th\u1ec3 g\u1eadp xu\u1ed1ng \u0111\u1ec3 thu nh\u1ecf k\u00edch th\u01b0\u1edbc c\u1ee7a m\u00e1y bay cho v\u1eeba v\u1edbi khoang ch\u1ee9a.<\/p>\n
M\u1ed9t nh\u00f3m b\u1ed1n ng\u01b0\u1eddi chu\u1ea9n b\u1ecb cho ba chi\u1ebfc m\u00e1y bay trong v\u00f2ng 45 ph\u00fat. M\u00e1y bay s\u1ebd c\u1ea5t c\u00e1nh tr\u00ean b\u1ec7 ph\u00f3ng d\u00e0i 37 m ph\u00eda tr\u00ean bong t\u00e0u; sau \u0111\u00f3, t\u00e0u l\u1eb7n xu\u1ed1ng n\u01b0\u1edbc \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u00e1t hi\u1ec7n.<\/p>\n
Khi chi\u1ebfn tranh chuy\u1ec3n sang th\u1ebf b\u1ea5t l\u1ee3i cho Nh\u1eadt B\u1ea3n v\u00e0 c\u00e1c h\u1ea1m \u0111\u1ed9i c\u1ee7a h\u1ecd kh\u00f4ng th\u1ec3 di chuy\u1ec3n m\u1ed9t c\u00e1ch t\u1ef1 do tr\u00ean Th\u00e1i B\u00ecnh D\u01b0\u01a1ng, \u0110\u00f4 \u0111\u1ed1c Isoroku x\u00e2y d\u1ef1ng m\u1ed9t k\u1ebf ho\u1ea1ch t\u00e1o b\u1ea1o t\u1ea5n c\u00f4ng th\u00e0nh ph\u1ed1 New York, Washington D.C v\u00e0 c\u00e1c th\u00e0nh ph\u1ed1 kh\u00e1c c\u1ee7a M\u1ef9 c\u0169ng nh\u01b0 ph\u00e1 h\u1ee7y k\u00eanh \u0111\u00e0o Panama v\u00e0o ng\u00e0y khai tr\u01b0\u01a1ng n\u0103m 1945, nh\u1eb1m c\u1eaft \u0111\u1ee9t \u0111\u01b0\u1eddng ti\u1ebfp t\u1ebf \u0111\u1ebfn Th\u00e1i B\u00ecnh D\u01b0\u01a1ng c\u1ee7a c\u00e1c t\u00e0u M\u1ef9.<\/p>\n
Sau nhi\u1ec1u tu\u1ea7n l\u00ean k\u1ebf ho\u1ea1ch, chi\u1ebfn d\u1ecbch \u201cB\u00e3o t\u1ed1 t\u1eeb b\u1ea7u tr\u1eddi trong xanh\u201d (\u201cStorm From a Clear Sky\u201d), ng\u01b0\u1eddi Nh\u1eadt \u0111\u00e3 \u0111\u01b0a ra chi\u1ebfn thu\u1eadt t\u1ea5n c\u00f4ng c\u00e1c ch\u1ed1t Gatun (Panama) v\u00e0o l\u00fac b\u00ecnh minh khi c\u00e1c c\u00e1nh c\u1ed5ng b\u1ecb \u0111\u00f3ng v\u00e0 h\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7 l\u1ecfng l\u1ebbo; cu\u1ed9c t\u1ea5n c\u00f4ng s\u1ebd ti\u1ebfn h\u00e0nh trong m\u00f9a kh\u00f4 v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a bom v\u00e0 ng\u01b0 l\u00f4i, nh\u01b0 v\u1eady, h\u1ed3 Gatun s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 b\u1ed5 sung n\u01b0\u1edbc.<\/p>\n
Theo k\u1ebf ho\u1ea1ch, vi\u1ec7c ph\u00e1 h\u1ee7y c\u00e1nh c\u1ed5ng m\u1edf ra h\u1ed3 Gatun s\u1ebd t\u1ea1o ra m\u1ed9t d\u00f2ng n\u01b0\u1edbc l\u1edbn, ph\u00e1 h\u1ee7y c\u00e1c c\u1ed5ng kh\u00e1c tr\u00ean \u0111\u01b0\u1eddng \u0111i c\u1ee7a n\u00f3 khi \u0111\u1ed5 v\u1ec1 ph\u00eda bi\u1ec3n Caribe. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng li\u1ec1u ch\u1ebft, c\u00e1c phi c\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00f3n sau khi h\u1ea1 c\u00e1nh v\u00e0 quay tr\u1edf l\u1ea1i t\u00e0u ng\u1ea7m.<\/p>\n
Tuy nhi\u00ean, tr\u01b0\u1edbc khi k\u1ebf ho\u1ea1ch \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, Nh\u1eadt Ho\u00e0ng \u0111\u00e3 ph\u1ea3i tuy\u00ean b\u1ed1 \u0111\u1ea7u h\u00e0ng \u0110\u1ed3ng minh.<\/p>\n
C\u00e1c th\u00f4ng c\u00e1o ti\u1ebfp theo t\u1eeb Tokyo r\u1ea5t kh\u00f3 hi\u1ec3u, \u0111\u1eb7c bi\u1ec7t l\u00e0 M\u1ec7nh l\u1ec7nh 114, x\u00e1c nh\u1eadn r\u1eb1ng h\u00f2a b\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c tuy\u00ean b\u1ed1 nh\u01b0ng t\u1ea5t c\u1ea3 c\u00e1c t\u00e0u ng\u1ea7m \u0111\u1ec1u ph\u1ea3i \u201cth\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u00e3 \u0111\u1ecbnh tr\u01b0\u1edbc v\u00e0 t\u1ea5n c\u00f4ng k\u1ebb th\u00f9 n\u1ebfu b\u1ecb ph\u00e1t hi\u1ec7n\u201d.<\/p>\n
Ng\u00e0y 22\/8\/1945, th\u1ee7y th\u1ee7 \u0111o\u00e0n \u0111\u01b0\u1ee3c l\u1ec7nh ph\u00e1 h\u1ee7y v\u0169 kh\u00ed tr\u00ean t\u00e0u; c\u00e1c ng\u01b0 l\u00f4i \u0111\u01b0\u1ee3c b\u1eafn \u0111i m\u00e0 kh\u00f4ng c\u00f3 \u0111\u00edch \u0111\u1ebfn, c\u00e1c m\u00e1y bay \u0111\u01b0\u1ee3c ph\u00f3ng l\u00ean nh\u01b0ng kh\u00f4ng m\u1edf c\u00e1nh v\u00e0 \u0111u\u00f4i.<\/p>\n