The Emperor's Naked Army Marches On
ゆきゆきて、神軍 (original)
Kenzo Okuzaki, a 62-year-old veteran of the New Guinea campaign in World War II, sets out to conduct interviews with survivors and relatives to find the truth behind atrocities committed while the Japanese garrison was surrounded, in particular the unexplained killing of two Japanese privates in his unit.
Starring Kenzo Okuzaki, Masao Koshimizu, Riichi Aikawa, Masaichi Hamaguchi, Toshio Hara, Shichiro Kojima, Taro Maruyama, Toshiya Nomura, Shizumi Okuzaki, Eizaburo Oshima
Watch "The Emperor's Naked Army Marches On" on Criterion Channel released in 1987. It's a documentary and war movie, and has a rating of 8.2 out of 10 from Imdb which is very high for this kind of movie.