The Indian Army, Navy, and Air Force are the three branches of the Indian armed forces. The Indian Army is the largest branch with over 1 million active troops. It is headed by the Chief of Army Staff, currently General Dalbir Singh. The Indian Navy has over 58,000 personnel and a large fleet of ships and submarines. It is commanded by Admiral Robin Dhowan. The Indian Air Force is the fourth largest in the world with around 127,000 active personnel and 1,820 aircraft. It is led by Air Chief Marshal Arup Raha.