USS Trepang SSN 674 Solid Brass Plaque. Celebrate the illustrious journey of the USS Trepang SSN 674 with this exclusive plaque. A tribute to the storied submarine and its gallant crew, this piece captures the essence of naval valor and adventure. Perfect for collectors and naval history enthusiasts, this plaque is a detailed homage to the spirit and missions of the USS Trepang. Enrich your military memorabilia collection with this emblem of bravery and exploration beneath the seas. 7.5″x8″ 5 lbs. Our items are available for pick-up. No additional information at this time. You might also like. USS Sea Lion (SS-195) Submarine. French Naval Cutlass, model 1803. USS Greenfish (SS-351) Submarine. USS Steelhead (SS-280) Submarine.