 It numbers about 18,000 personnel and consists of the Royal Bahraini Air Force, Royal Bahraini Army, Royal Bahraini Navy and the Royal Guard.Apart from the BDF, the public security forces and the Coast Guard report to the Ministry of Interior.In January 2008, the Crown Prince, Salman bin Hamud bin Isa Al Khalifa was appointed as the Deputy Supreme Commander, while Khalifa bin Ahmed Al Khalifa was appointed Commander-in-Chief of the BDF.