MY Madiz, 359 tons gross, at the Greek island of Spetses, July 1981. She was designed by the pioneering yacht designer G L Watson and built in 1902 by the Ailsa Shipbuilding Co., Troon as the  steam yacht SY Triton; she was later renamed many times, finally in 1972 as MY Madiz, by then re-engined with diesels. She served with the Royal Navy in WWI as an auxiliary patrol yacht and again in WWII when she was used to develop naval radar. She also saw active service in the Battle of the Atlantic. She is still used as a luxary yacht.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/58433307@N08">Hugh Llewelyn</a> from Keynsham, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/camperdown/42100898710/">MY Madiz</a>