Thanks for comments, syscom3, timshatz and vB.
According to my further research, Sgt. Harold T. Hedges was a tail gunner of the B-29 which was rammed by a Japanese fighter.
He was sent to the Tokyo POW camp in Ohmori on March 1 by way of the Nagoya military police and the Osaka military prison.
A person namely 'Hedges' there was recorded coming home alive together with Mr. Hap Halloran.