My cousin Jesse Silvey, MM2C, had just gone on watch in the engine room when the ship blew. His mother, my dad's half-sister, had to get copies of the family Bible record to collect his $10,000 insurance. The only relative of mine lost in the war, and they got him in the first 15 minutes.
My Dad, who served in the 8th Infantry Division, stated to me many times that Harry Truman saved his life by ordering the bombs dropped. According to the info on the link posted earlier, that division would have been in the second phase of the invasion and gone ashore on the Tokyo plain.
He felt that after just missing D-Day in Normandy and the Ardennes attack that his luck had run out, and that if sent to the Japanese invasion (for which he was training) he wouldn’t have come home.