Two Pakistan Army pilots were killed on Monday after their training aircraft crashed due to a technical fault, the army said.The incident occurred near Quetta, the provincial capital of Balochistan.”(At) midday, a Mushshak training aircraft of Pakistan Army Aviation crashed near Nawan Killi, Quetta, due to a technical fault,” the army said in a statement.Both pilots, Major Husnain Shehzad Humayun, the instructor, and Captain Abdul Samad, a student, died in the “unfortunate crash,” it added.President Asif Ali Zardari and Prime Minister Shehbaz Sharif expressed grief and sorrow over the death of the army pilots.In June, an Mi-17 helicopter of the Pakistan Army Aviation crashed near Muzaffarabad in Pakistan-occupied Kashmir, killing all personnel on board.