Total Moroccan active armed strength in 2002 was 196,300 with reserves numbering 150,000. The army had 175,000 personnel, the navy 7,800, and the air force 13,500. Military hardware included 520 main battle tanks, 224 in store, and 100 light tanks; two frigates and 27 patrol and coastal combatant ships and boats; and 95 combat aircraft. Paramilitary forces totaled 50,000. The Polisario Front opposition forces were estimated between 3,000–6,000. Moroccan troops were stationed in three regions on peacekeeping missions. The 1999–00 budget called for defense expenditures of $1.4 billion or 4% of GDP.