On board the Royal Navy type 15 anti-submarine frigate Ursa (1943) of the 8th Frigate Squadron (West Indies) while under way in the West Indies during an exercise involving both the 7th and 8th Frigate Squadrons. The photographer is on the port side of 1 deck at 62 station looking forward from the deck edge showing the stern of the 25 feet motor cutter on the right. Ahead of the Ursa (1943) is the type 41 frigate Lynx (1955) steaming in line ahead. She is a unit of the 7th Frigate Squadron (South Atlantic). A vertical format negative.