 USS Elrod was named after the Captain who enlisted in what part of the armed forces in 1927?
USS Elrod (FFG-55): USS "Elrod" (FFG-55), an "Oliver Hazard Perry"-class frigate, is a ship of the United States Navy named after Captain Henry T. Elrod (1905–1941), a Marine aviator who was posthumously awarded the Medal of Honor for his heroism in the defense of Wake Island in World War II. Henry T. Elrod:  He enlisted in the Marine Corps in December 1927, and was appointed a Marine second lieutenant in February 1931.
Marine Corps