Transferred to the Royal Navy under lend-lease.
Altough she was Canadian manned she was not commissioned into the Royal Canadian Navy.
On 22 August 1944 HMS Nabob (A/Capt. H.N. Lay, OBE, RCN) was torpedoed and damaged in the Arctic off the North Cape in position 71º42'N, 19º11'E by the German submarine U-354. After the badly damaged ship managed to limp to Britain she was judged not worth repairing.
She was towed to Rosyth, beached and abandoned.
Decommissioned on 30 Sepember 1944 she was retained in nominal reserve, but was cannibalized for spare parts for sisterships.
On 16 March 1946, the vessel was returned to the US Navy and stricken.
Sold for scrap in March 1947 in the Netherlands.
However, she was resold to the Norddeutscher Lloyd, converted to the German motor merchant Nabob until 1952 and used as a civilian training vessel for the post war German merchant service.
Renamed Glory in 1968 and registered in Panama.
In December 1977 she was sold for scrap in Taiwan.

Commanding Officers:
A/Cdr. L.R. Romer, RN
15 August 1943 - 15 October 1943

A/Capt. Horatio Nelson Lay, OBE, RCN
15 October 1943 - 30 September 1944

Hit by U-boat
A total loss on 22 Aug 1944 by U-354 (Sthamer).