Dec. 23, 1929 – A rare photo of J. Edgar Hoover as he oversees the protection detail for the visiting Japanese Naval Delegation in Washington, D.C. The Japanese delegation were were on their way to attend negotiations in Europe for the ratification of the 1930 London Naval Treaty (officially the Treaty for the Limitation and Reduction of Naval Armament). The delegation was greeted at the Washington Union (Train) Station by U.S. Secretary of State Henry L. Stimson and the Japanese Ambassador Katsuji Debuchi; the delegation then visited the White House to meet with President Herbert Hoover.
