No doubt, Pakistan Air Force is one of the most powerfull Air Forces of the world. Pakistan air force beleive in quality over quantity. Pakistan Air Force has many plans about future. Jf-17 thunder are expected to be increased to 150 by the end of 2015. Morever , it is planned to increase number of JF-17 to 300 by the end of 2020 replacing all A-5C, F-7P, Mirage III and Mirage 5 fighter-bombers.Orders have been placed for at least 36 Chengdu J-10 fighters from China, around 26 upgraded second-hand F-16AM/BM and at least 18 new-built F-16C/D Advanced Block 52. Two types of Airborne Early Warning & Control aircraft are to be introduced, 4 Saab 2000 Erieye AEW&C from Sweden and the ZDK-03, a Chinese AEW&C based on the Shaanxi Y-8F-600 cargo aircraft.The Il-78 aerial refuelling tanker is to be inducted and will be capable of refuelling the JF-17 and J-10, 4 are to be acquired second-hand from Ukrainian surplus stocks. The fleet of Shenyang FT-5 and T-37 Tweet is being replaced by around 75 K-8 Karakorum intermediate (jet) training aircraft.