billion. Gotland is expected to return to the FMV in late 2018 and Uppland in late 2019, following a series of platform and combat systems upgrades. Gotland returned to active duty in June 2018 after receiving modification for over 20 systems. Same systems will also be included on the new A26 submarines. relaunched in June 2019 and was delivered to the Navy in December 2020. In March 2022 FMV and SAAB signed a contract for MLU of HMS Halland See also List of submarine classes in service Coastal submarine References External links Official Kockums website on Gotland class submarines Kockum's AIP Stirling system Submarine classes Naval ships of Sweden Submarines of Sweden