Photo A0281: Eighteen defendants, sixteen Koreans and two Japanese nationals charged with espionage and spying for the North Korean Peoples Army (NKPA) at the opening of their trial before an International Provost Court in Tokyo Japan on 11 May 1951. They were the first group of a total of forty-five defendants rounded up during an 18-month investigation by members of a Tokyo detachment of the U.S. Army Counter Intelligence Corps. The ringleader, MAJ Yoshimatsu Iwamura of the NKPA (front row far left) was found to have the operation plans for the upcoming Inchon amphibious landing at the time of his arrest in on 9 September 1950. The military policemen standing guard in the courtroom and responsible for transportation security of the group from Sugamo Prison, are members of a special forty MP composite unit of the four organic companies of the 720th MP Battalion, Headquarters and Service Group, General Headquarters, lead by 1LT Frank J. Pons of Dog Company.  Official U.S. Army Photograph.