Presidents

President Harry S. Truman peers down into a T-41 "Walker Bulldog" tank, named after the late General Walton Walker, during a military demonstration at Aberdeen Proving Ground in Maryland. Armed forces officers on the ground are unidentified.

President Harry S. Truman (foreground, first on right) with unidentified Army officers throwing a switch during a demonstration of military hardware at Aberdeen Proving Ground in Maryland.

President Harry S. Truman (standing on stepladder) and other unidentified military officers inspecting a tank during a military demonstration at Aberdeen Proving Ground in Maryland.

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 (first on right) descending a staircase at Aberdeen Proving Ground during a demonstration of military hardware. Behind Truman is Secretary of the Army Frank Pace. All others are unidentified.

President Harry S. Truman descending a staircase at Aberdeen Proving Ground in Maryland. Near the bottom of the stairs are President Truman (left) and Major General Edward MacMorland (right), Commanding Officer of Aberdeen Proving Ground. Directly behind Truman are Secretary of the Army Frank Pace (left) and General J. Lawton Collins. All others are unidentified.

President Harry S. Truman watching a demonstration of military hardware with other dignitaries, (unidentified) at Aberdeen Proving Ground in Maryland. Front row, left to right: Major General Edward MacMorland, President Truman, and General J. Lawton Collins. Seated in the second row, right, is Secretary of the Army Frank Pace. All others are unidentified.

President Harry S. Truman (in foreground, right) and unidentified military officers throwing a switch during a demonstration of military hardware at Aberdeen Proving Ground in Maryland.

President Harry S. Truman (in foreground) with unidentified persons throwing a switch during a demonstration of military hardware at Aberdeen Proving Ground in Maryland.

President Harry S. Truman (third from right)and Bess Wallace Truman (second from right), with Adelaide Johnson (in wheelchair), a Washington artist and sculptress who was personally acquainted with President Lincoln, during ceremonies at the Lincoln Memorial commemorating Lincoln's Birthday. On the right is Admiral Robert Dennison. All others are unidentified.