MARTIN B-57 "BABA" (1959-1985)
The Martin B-57 Canberra was a United States built, twin jet engine light bomber and reconnaissance aircraft, 24 B-57B and 2 B-57C delivered to Pakistan Air Force forming No.7 and No.8 Bomber Squadrons of No.31 Bomber Wing based at PAF Masroor in 1959