Harry Truman actually said...

By virtue of the authority vested in me by the Constitution and statues of the United States.

Any Army officer detailed for duty under authority of this order shall, while so detailed, retain and be entitled to all rights, benefits, p...

The Secretary of War is hereby authorized to detail on temporary basis an officer of the Army for military duty with the Institute of Inter-...

I should be grateful for the earliest possible consideration of the treaty and protocol by the Senate.