They served with distinction during the Second World War. "Jamaica" took part in a number of operations, including driving off the heavy cruisers and "Lützow" in 1942, the sinking of the battleship in 1943, and escorting carrier air attacks on the battleship in 1944. was lost in 1941, and the following year. The survivors continued in service after the war, taking part in further actions, such as the Korean War. was later sold to Peru, being renamed "Coronel Bolognesi", along with , which was renamed "Almirante Grau". These two ships were decommissioned by 1982. was also sold, to India, who had it reconstructed in 1954-7 to the same standard as "Newfoundland". As , the ship was heavily used from the time of her transfer, seeing action in the 1971 war with Pakistan, and later converted to a harbour training ship in 1979. She was decommissioned by 1984 and then scrapped in 1985, and as such she was the longest-lived (41 years) member of her class.