Exercise Medical Endeavour 2012 - 150 Royal Navy personnel have been taking part in a major medical exercise off the UK's south west coast on board the Hospital Ship RFA ARGUS - wearing white anti-flash overalls and face masks, as if at war, the hospital unit and crew of the ship rehearsed taking on board and treating casualties of bombs and enemy fire.    RFA ARGUS was operating in her main role as the Royal Navy's primary casualty receiving ship.     The medical complex within RFA ARGUS is a fully-equipped 100 bed hospital facility, including a four bay operating theatre, together with a 10 bed intensive care unit, 20 bed high dependency unit, two 35 bed general wards and the full range of clinical support services, including imaging, pathology, pharmacy and physiotherapy.   The RFA ARGUS is also of course tasked with the role of Aviation Training Ship role.