 Complete the following phrase:  In retirement he was Captain of Deal Castle from 1972 to 1980. He was an Honorary Admiral in the Texan Navy and an Honorary Lance Corporal in the French Zuaves. He was the Commodore of the Royal Marines Sailing Club and the first Honorary Flag Officer. He was also a member of the Royal Yacht Squadron, the Royal Naval Sailing Association Rear Commodore and the Royal Cruising Club. His son, Ewen Southby-Tailyour, was also a Royal Marines officer, who served with distinction in 