Dee ihe ga-eso paragraf a - N'elekere 08:20 nke abalị 30 nke ọnwa Ọgọstụ afọ 1945, "I-400" sooro "I-14" na "Proteus" gawa Tokyo Bay, ebe ha kwụsịrị n'elekere 14:58 nke ụbọchị ahụ. Ọkọlọtọ United States nọ n'ụgbọ ya n'elekere ise nke ụtụtụ n'abalị iri atọ na otu n'ọnwa Ọgọstụ n'afọ 1945, n'elekere anọ nke mgbede, "I-400", "I-14", na "Proteus" bidoro ịkwaga n'ebe ọhụrụ ha ga-esi tụdo n'ime mmiri mgbawa n'ụlọ ụgbọ mmiri n'okpuru mmiri na Yokosuka, ebe "Proteus" ga-esi tụdo n'elekere ise nke mgbede. Ugboro iri na abụọ nke ndị agha mmiri nke United States họpụtara iji nọchite anya ndị agha mmiri nke United States na ememe ịtọgbọ ndị Japan
na Tokyo Bay nọkwa ebe ahụ, na "I-401" bịarutere na 31 August. N'oge emume nnapụta na 2 Septemba 1945, onye isi, Submarine Force, U.S. Pacific Fleet (COMSUBPAC), Vice Admiral Charles A. Lockwood, nyere iwu ka ọkọlọtọ nke aka ya dị n'elu "I-400" na "I-401".