Direction: Read the following passage carefully and answer the questions given below it in the context of the passage.

The Indian Air Force, also known as Bharatiya Vayu Sena is the air arm of the Indian Armed Forces. Its key role is to keep the Indian aerospace resistant to attacks and manage aerial warfare during the conflict. Established on October 8, 1932, it possessed the strength of 25 soldiers of which 19 were combat pilots. Ever since then, the air force has gone through extreme modernisation and expansion, both in the strength of man and technology. With around 1,70,000 personnel and 1,500 aircraft, it is the fourth largest air force in the world after the US, China, and Russia. It is also the seventh strongest Air Force in the world.