A- and B-class destroyer
1929 CLASS OF BRITISH DESTROYERS
B-class destroyer; B class destroyer; A-class destroyer (1929)
The A- and B-class destroyers were a group of 18 destroyers built for the Royal Navy during the late 1920s, with two additional ships built for the Royal Canadian Navy. The British ships were divided into two flotillas of eight destroyers, each with a flotilla leader.