Three of the submarines were of the new Seawolf SSK class, based on the existing legacy Tinfish design but with Sirikwanese and Clone enhancements. The fourth was the singleton Warhammer SSB, which is a modified Seawolf which will be used to develop the SeaGale (and Sea launched CSM) ballistic missiles. The official date for service is still 2112 (and 2113 for Warhammer) though some observers say that such is the effort being put into the submarine arm now the first operational Seawolf could be seen in 2111.
In other HCSN news it has been announced that the first carrier landings and take-offs from the new carrier CNS Cloneworld will be carried out in the Summer. The ship is not due to begin sea trials until near the end of this year but the HCSN are keen to begin carrier training as soon as possible and will perform some tests while the carrier is still at dock. Three F-40N2s have been earmarked for this and have formed a special development flight.
