Also to be taken into account are missiles, warheads, anti-submarine vessels, infrastructure and personnel.
On its second patrol, Splendid sank a destroyer, and on the third and fourth destroyed two anti-submarine vessels, plus 19,000 tonnes of enemy merchant shipping.
Swiftsure was paid off at Chatham on 26 April to provide crews for anti-submarine vessels.
Consequently, the US Navy chose to cancel the Montana-class in favor of more urgently needed aircraft carriers, amphibious and anti-submarine vessels.
He briefly commanded two anti-submarine vessels, the USS YP-422 and USS PC-815, in coastal waters off Massachusetts, Oregon and California in 1942 and 1943 respectively.
Swiftsure was assigned to convoy escort duties in the Atlantic from early 1916 until she was paid off in April 1917 to provide crews for anti-submarine vessels.
Harbour defence craft included the anti-submarine vessels and Bingera; the auxiliary minesweepers HMAS Goonambee and ; pleasure launches converted to channel patrol boats (and armed with depth charges), namely, Lolita, Steady Hour,, Marlean, and ; and four unarmed auxiliary patrol boats.
Ark Royal was deployed with the Home Fleet in the North Western Approaches as part of a "hunter-killer" group, consisting of a flotilla of destroyers and other anti-submarine vessels grouped around an aircraft carrier; either, or Ark Royal.
Kempenfelt had been purchased before the war began by the Canadian government, but it agreed to allow the British to retain her until the Royal Navy could compensate for her loss by requisitioning enough auxiliary anti-submarine vessels.
She was originally authorized in 1916 as a, but construction was placed on hold so that higher-priority anti-submarine vessels and merchant ships, needed to ensure the safe passage of men and materiel to Europe during Germany's U-boat campaign, could be built.
She was originally authorized in 1916 as a, but construction was delayed so that higher-priority anti-submarine vessels and merchant ships, needed to ensure the safe passage of personnel and materiel to Europe during Germany's U-boat campaign, could be built.
