KARACHI:  Passing out Parade of Aero Apprentices was held at Pakistan Air Force (PAF) Airmen Academy, Korangi Creek Karachi on Thursday. Air Marshal Irfan Ahmad, Deputy Chief of the Air Staff (Air Defence), Pakistan Air Force, was Chief Guest at the occasion. Earlier, Air Vice Marshal Syed Imran Majid Ali, Air Officer Commanding, PAF Academy Korangi Creek, received the