Served as a transport ship, and modified for the anti-submarine role in late 1944.

When it is used in the anti-submarine role, it can carry two torpedoes or depth charges.

Often fitted with airborne search radar and used in the anti-submarine role.

However, in 1979, Bulwark was recommissioned in the anti-submarine role.

The Valiants were primarily used in the anti-submarine role, important during the Cold War.

It was primarily used in an anti-submarine role and was based on the east coast of Canada and Newfoundland.

Used in the anti-submarine role during the war, the Baltimore achieved moderate success, sinking up to eight U-boats.

Soviet priorities were changed to an anti-submarine role and only 4 ships were built with this configuration.

While it was recognised that the Ansons lacked sufficient range and payload to be effective in the anti-submarine role, superior aircraft were not available.

On 11 March 1943 the squadron was officially reformed at Mombasa, again in the anti-submarine role.