ISBN: | 978-5-5135-1502-9 |
High Quality Content by WIKIPEDIA articles! The Martin B-57 Canberra was a United States-built, twin jet engine light bomber and reconnaissance aircraft, which entered service with the United States Air Force (USAF) in 1953. The B-57 was initially a version of the English Electric Canberra built under license. However, the Glenn L. Martin Company significantly modified the design and produced several unique variants.