Martin B-57
Bombers with Pakistan Air Force Role: Tactical bomber Manufacturer: Martin First flight: 20 July 1953 Introduction: 1954 Retired: 1983 (USAF); 1985 (Pakistan) Status: Retired (3 still used by NASA) Primary users United States Air Force Pakistan Air Force Republic of China Air Force Number built: 403 Unit cost: US$1.26 million (B-57B) Developed from: English Electric…