President John F. Kennedy escorts President of India, Dr. Sarvepalli Radhakrishnan, to the presidential limousine (Lincoln-Mercury Continental convertible) prior to a parade in honor of President Radhakrishnan. Right to left: US Deputy Chief of Protocol, William J. Tonesk; Military Aide to President Kennedy, General Chester V. Clifton (shaking hands with an unidentified Indian official); Air Force Aide to President Kennedy, Brigadier General Godfrey T. McHugh; US Chief of Protocol, Angier Biddle Duke; President Kennedy; President Radhakrishnan; several unidentified persons; White House Photographer, Chief Robert L. Knudsen (far left). South Lawn driveway, White House, Washington, D.C.