HMS F3 (Paperback)

High Quality Content by WIKIPEDIA articles! HMS F3 was a British F class submarine of the Royal Navy. She was built at John I. Thornycroft & Company, laid down 12 October 1914 and launched 9 February 1916. F3 was broken up in Portsmouth in 1920. The Royal Navy of the United Kingdom is the oldest of HM Armed Forces (and is therefore known as the Senior Service). From the beginning of the 18th century until well into the 20th century it was the most powerful navy in the world, playing a key part in establishing the British Empire as the dominant world power from 1815 until the early 1940s.