Parwinder SandhuNew Delhi, Oct. 3 -- The reported deepening of Pakistan-China cooperation in advanced fighter aircraft, including fifth-generation technology, is a "cause for worry", but Pakistan has so far not been able to derive the full operational advantage from such capabilities because of a lack of integration, Chief of Air Staff Air Chief Marshal Amar Preet Singh said on Saturday.

Addressing his annual press conference ahead of the 94th Air Force Day, Singh said the effectiveness of an advanced fighter aircraft would depend not merely on the platform itself but on its integration with the wider military network.

"It is a cause for worry, no doubt. But it is not just one platform that matters so much. It is integration of that platf...