Trimaran Marine Unit. Littoral combat ships built by General Dynamics at Bath Iron Works are of a trimaran design. USS "Independence" (LCS-2) is the first of these ships. Littoral combat ships built by Lockheed are of a monohull design. First launched on 31 August 2012 at Bali Strait, 63M Carbon Fibre Composite Trimaran Fast Missile Boat (Indonesian: Kapal Cepat Rudal [KCR]) named KRI Klewang (625) – a traditional Indonesian single edge sword, was the first stealth trimaran of the Indonesian Navy built by North Sea Boats at Banyuwangi, East Java, Indonesia. This ship combined a number of existing advance technologies into
Pontoon bridge consisted of one or more pontoons, which were maneuvered into position and then anchored underwater or on land. The pontoons were linked together using wooden stringers called "balks". The balks were covered by a series of cross planks called "chesses" to form the road surface, and the chesses were secured with side guard rails. A floating bridge can be built in a series of sections, starting from an anchored point on the shore. Modern pontoon bridges usually use pre-fabricated floating structures. Most pontoon bridges are designed for temporary use, but bridges across water bodies with a constant water level can