Samuel Jackson Underhill (25 August 1917 - 8 May 1942) was a naval aviator of the United States Navy who was killed in action during the Battle of the Coral Sea. Born in Jericho, New York, he received a bachelor of science from Yale University and attended Harvard Law School before enlisting in the United States Navy Reserve as a Seaman Second Class on 8 November 1940. After serving briefly at Floyd Bennett Field, Brooklyn, New York, Underhill was appointed an aviation cadet and was transferred on 6 February 1941 to the Naval Air Station, Jacksonville, Florida, for flight training. He subsequently underwent further training at Miami, Florida; was designated a naval aviator on 15 July; and was commissioned an ensign in the Naval Reserve on 6 August. Following advanced flight training at Nor