President John F. Kennedy and President of India, Dr. Sarvepalli Radhakrishnan, wave to crowds from the presidential limousine (Lincoln-Mercury Continental convertible) during a parade in honor of President Radhakrishnan. White House Secret Service agent, Charlie Kunkel, stands in car in background; Secret Service driver, Thomas Shipman, is visible through the presidential limousine’s windshield. Pennsylvania Avenue NW from New York Avenue NW, Washington, D.C.