The two units in Swedish service were classified as destroyers until 1953, then re-classified as corvettes. Although commonly referred to as torpedo boats due to their smaller displacement, the Spica class armaments were similar in design to destroyers (their design was influenced by the  then in development) and were intended for anti-submarine duties, although they often had to fight aircraft and surface forces as well. Twenty-three vessels were lost during World War II.
The two units in Swedish service were classified as destroyers until 1953, then re-classified as corvettes. Although commonly called torpedo boats due to their smaller size, the Spica class armaments were similar in design to destroyers (their design was influenced by the  then under development) and were intended for anti-submarine duties, although they often had to fight aircraft and surface forces as well. Twenty-three vessels were lost during World War II.