Stock Photo: Joseph P. Kennedy arrives at Buckingham Palace to present his credentials as US ambassador to the Britain. Mr. Kennedy declined to wear the traditional knee breeches. L-R: Lt. Col. Raymond Lee, Military attaché, Capt. Herschel Johnson, counselor of the Embassy, Sir Sidney Clive, Marshall of the Diplomatic Corps who escorted them into the Palace, and Amb. Kennedy. March 16, 1938.