The Royal Cambodian Army, Royal Cambodian Navy, Royal Cambodian Air Force and Royal Gendarmerie collectively form the Royal Cambodian Armed Forces, under the command of the Ministry of National Defence, presided over by the Prime Minister of Cambodia. His Majesty King Norodom Sihamoni is the Supreme Commander of the Royal Cambodian Armed Forces (RCAF), and the country's Prime Minister Hun Sen effectively holds the position of commander-in-chief.