There were an estimated 6,000 personnel in the armed forces in 2002. The army was equipped with 35 main battle tanks. The air force had some 800 personnel, operating 4 or 5 armed helicopters and no combat aircraft. A plan exists to acquire aircraft and form an air squadron. There were an estimated 1,200 paramilitary border guards. The defense budget for 2001 was $35.4 million, or 3.9% of GDP. Russia had 12,000 federal border guards in Tajikistan. An opposition Islamic movement of 5,000 signed a peace agreement with the government in 1997 and was in the process of being integrated into the government forces.