White House Photographs
Motorcade for President Mohammad Ayub Khan of Pakistan. In open car (Lincoln-Mercury Continental convertible with bubble-top): Secret Service agent William Greer (driving); Military Aide to the President General Chester V. Clifton (front seat, center); Secret Service Agent Gerald “Jerry” Behn (front seat, right; mostly hidden); President Mohammad Ayub Khan (standing); President John F. Kennedy (standing). Standing behind car: Secret Service agents Ron Pontius (left) and Roy Kellerman (right). Crowd watching. 14th Street (passing United States Commerce Department building), Washington, D.C.