[holding answer 16 September 2009]: The Surgeon General’s Department (SGD) is the central policy and secretariat division of the Defence Medical Services. Its staff include uniformed personnel who are serving members of the Royal Navy, Army and RAF Medical Services, as well as civilians. As at 1 October 2009, it had 160 staff (figure rounded to the nearest 10) all of whom were based in England. Figures for previous years could be provided only at disproportionate cost.