When B-29 pilot Gene Frazier got to the Pacific theater, he joined the 58th Bomb Wing, the original B-29 unit. It was just as Gen. Curtis LeMay was changing tactics in the campaign to bomb Japan. At a briefing for a Tokyo mission, the men were told they would be going in at 7000 ft. "You mean 27, 000 ft., right?" For Frazier, it was the scariest mission he ever had, but it was effective. (7:09)