Sailor John F.W. Mitchell. His Naval Enlistment Rendezvous record indicates he enlisted in the US Navy in 1865 at the age of 14, assuming the rank of 3rd Class Apprentice. Mitchell was born in New York City, stood 4′8″ tall, had hazel eyes, and a mole on his right knee. He served on board the training ship U.S.S. Sabine. Source: Library of Congress.