The Saudi military numbers 227,000 troops, including 75,000 in the army, 13,500 in the navy and 20,000 in the air force. Some 16,000 personnel are committed to air defences, 2,500 are responsible for strategic missiles and 100,000 man the National Guard, according to the IISS Military Balance, 2015. The Saudi Army also has 600 heavy tanks, 780 ...