Ordnance testing

On the main firing front at Aberdeen Proving Grounds, President Harry S. Truman (with binoculars) examines a target through his binoculars. Others observing the demonstration, left to right: General E.L. Ford, General E.E. MacMorland, General Harry Vaughan, and General J. Lawton Collins.

President Harry S. Truman (inside windowed shelter, third from the left) and other unidentified dignitaries attending a weapons demonstration at Aberdeen Proving Ground in Maryland.

Artillery demonstration at Aberdeen Proving Ground. President Harry S. Truman (not pictured) attended this demonstration.

President Harry S. Truman and other dignitaries during a military demonstration at Aberdeen Proving Ground in Maryland. Front row, left to right: Major General Edward MacMorland, Commanding Officer, Aberdeen Proving Ground; President Truman; General J. Lawton Collins. Second row: Averell Harriman (second from right) and Secretary of the Army Frank Pace (right). Third row: General Harry Vaughan (right). Admiral Robert Dennison is in the row behind General Vaughan, second from the right. All others are unidentified.

President Harry S. Truman (inside windowed shelter, third from the left) and other unidentified dignitaries attending a weapons demonstration at Aberdeen Proving Ground in Maryland.

President Harry S. Truman (standing on the ground, looking up at camera) and other unidentified persons standing next to a T-41 "Walker Bulldog" tank, named after the late General Walton Walker, during a visit to Aberdeen Proving Ground in Maryland. Standing on the stepladder is Secretary of the Army Frank Pace. All others are unidentified.