The Combat Support Boat is a boat in use with the British Army. It is a powerful, versatile craft whose major role is to support both bridging and amphibious operations. Powered by Water jet propulsion it has a high thrust at shallow draught. It is also be used as a general-purpose working boat and is used in support of diving operations, ship-to-shore re-supply and inland water patrols. A purpose-built trailer was designed for the Combat Support Boat which aids launching and recovery. The Combat Support Boat is used by the Royal Engineers[1] in support of bridging, military diving and riverine patrol operations and the Royal Marines for littoral operations. It saw successful service in Iraq.