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Norwegian Oslo-class frigate Trondheim (F302), in 2004, back when she was having a much better day
Recently, during exercise Ægir 25 in September 2025, the Norwegian Ula (U-Boot-Klasse 210) class submarine KNM Uthaug (S304) fired one of its Atlas Elektronik DM2A3 Seehecht torpedoes at the decommissioned Oslo (Dealey) class frigate ex-KNM Trondheim (pennant number F302), intending to sink the battered target vessel off the coast of Andøy in Andfjorden.
The 2,100-ton Trondheim, decommissioned in 2007, had already been the target of Naval Strike Missiles launched by the frigates HMS Somerset and KNM Thor Heyerdahl as well as previous NSM tests in 2013.
As noted by NATO, “The purpose of the shot was to verify and demonstrate the striking power that the weapon and the submarine represent. A submarine has long endurance, operates covertly, and has a unique ability to dictate the battle.”
NATO Allied Joint Force Command released the video on 17 November 2025, and it really shows you why you don’t want to be on the receiving end of a 576-pound torpedo warhead.
