Keywords: people blackandwhite black and white 09-8977-001 U.S. Naval Hospital, Portsmouth, Virginia. [Portraits.] Joseph L. Yon, Rear Admiral, Medical Corps, U.S. Navy. 01/19/1968. 09-8977-001 U.S. Naval Hospital, Portsmouth, Virginia. [Portraits.] Joseph L. Yon, Rear Admiral, Medical Corps, U.S. Navy. 01/19/1968. |