Mounts Bay was launched on the 19th April 2004 from BAE Systems, Govan, Glasgow and commissioned on the 15th September 2006, displacing 16160 tons full load and measuring 176.6 metres in length, 26.4 metres beam and having draught of 5.1m. The ship can carry up to 32 Challenger 2 main battle tanks or 150 other vehicles.