Statement of Yamanaka (28 July 1947) In 1945 up to about 7 august, Yamanaka interrogated all the captured airmen brought to WAH, then was sent to Hiroshima, returning 16 August. Recalls interrogating a man by the name of Dale E. Plambeck.
Statement of Nakao (10 Sept 1947) Nakao recalls talking to 2nd Lt. Dale E. Plambeck (radar operator). Nakao believes he talked to Czarnecki, Watkins, Fredericks Plambeck, Williams and Colehov/er about 7 May, that their plane crashed near Oguni-machi, Kumamoto ken.
Statement of Nakao (28 Oct. - 5 Nov. 1947) In mid May Komori ordered Nakao and Goiyama to give a powder to two flyers.
They handed the bowl thru a small window; both (Prisoners) drank it, but it had no effect. The next afternoon the large.man with the wounded should and Plambeck were taken to the University Hospital for experimental operations.
Plambeck had not been given sleeping medicine the day previous to being taken to the hospital.
Nakao told Plambeck he was going to be taken to a hospital to receive disease prevention injections when they took him for the experimental operations.
Statement of Yamanaka (18-27 Sept. 1946) Yamanaka recalls hearing the names of S/Sgt. Billy Brown, 1st Lt. Marvin S. Watkins, 2nd Lt. Dale E . Plambeck, Sgt. Jack D. Dengler, P/Sgt Kobert J. Aspinall, Sgt. Otto W. Baumgarten, Sgt. Wm. B. Beckman.
Statement of Enatsu (23 Sept - 31 Oct 1947) Enatsu believes that Plambeck was on the list, was the one that Yamanaka wanted to work in the intelligence section. Enatsu heard from someone that all the Prisoners sent to KIU died.