Hajen III-class submarine explained

The Hajen class (Shark class) was a submarine class built by Kockums and used by the Swedish Navy. The design was influenced by the German Type XXI submarine class. A total of 6 submarines were built in 1954-1958 and were kept in service until 1980.^{[1] [2]}

The first Hajen class submarine to be built was in 1954, followed by (1955), (1955), (1957), (1958), and (1958).

References

• Conway's All the World's Fighting Ships 1947-1995

Notes and References

1. Web site: Submarines, Svenska ubåtar (1883-1998), Jan-Erik Thoft. www.submarines.se . https://web.archive.org/web/20111007195548/http://www.submarines.se/index-1.htm . 2011-10-07.
2. Web site: Swedish Submarines.