The military consists of the Republic of Fiji Military Forces with a total manpower of 3,500 active soldiers and 6,000 reservists, and includes a Navy unit of 300 personnel. The land force comprises the Fiji Infantry Regiment (regular and territorial force organised into six light infantry battalions), Fiji Engineer Regiment, Logistic Support Unit and Force Training Group. Relative to its size, Fiji has fairly large armed forces and has been a major contributor to UN peacekeeping missions in various parts of the world. In addition, a significant number of former military personnel have served in the lucrative security sector in Iraq following the 2003 U.S.-led invasion.