Franklin Roosevelt actually said...

I, Franklin Delano Roosevelt, do hereby appoint as a Military Commission the following persons:

Only officers and employees of the Government of the United States possessing special scientific or other technical or professional qualific...

All officers and employees detailed pursuant to the provisions of the said act shall receive from the department or agency in which they are...

such persons shall not be privileged to seek any remedy or maintain any proceeding in the courts of the United States