A special honor guard participates in the funeral procession for the Unknown Serviceman of the Vietnam Era. Picture are Gen. J. A. Wickam, USA; Admiral James D. Watkins, CNO; Gen. Charles A. Gabriel, USAF; Gen. John W. Vessey Jr., Chairman, JCS; and Gen. Paul Kelley, CMC. The senior enlisted men of their respective services march with them. Public domain.