In 2002 Malaysia had active armed forces numbering 100,000 with reservists of 41,600. The total strength of the army was 80,000, including infantry and armored battalions, artillery regiments, and supporting air defense, signal, engineer, special forces, and administrative units. Equipment included 26 Scorpion tanks. The navy had 12,000 personnel, 4 frigates, 8 missile craft, and 27 patrol craft. The air force had 8,000 personnel and 95 combat aircraft. Paramilitary forces numbered 20,100, and the People's Volunteer Corps had 240,000. Malaysia provides support to six peacekeeping missions. Australia provides a small training mission. Expenditures on defense were estimated at $1.7 billion in 2000 or 2.1% of the GDP.