The first USS Pike (SS-6) was a Plunger-class submarine in the service of the United States Navy, later renamed as A-5. She was laid down on 10 December 1900 at San Francisco, California by Union Iron Works, launched on 14 January 1903, and commissioned on 28 May 1903 at the Mare Island Navy Yard with Lieutenant Arthur MacArthur, Jr. (the elder brother of future General of the Army Douglas MacArthur) in command.