ISLAMABAD- Air Chief Marshal Tahir Rafique Butt said that the Pakistan Air Force has been transformed into a modern force of the twenty first century.

He was addressing the launching ceremony of two books: History of Pakistan Air Force and Sentinels in the Sky, at the Air Headquarters in Islamabad on Monday.     

The Air Chief Marshal said the aging arsenal of the air force has been replaced with modern and high tech equipment in the last fifteen years.

He said the Air Force has also earned the distinction of producing its own combat aircraft JF-17.