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The Martin B-57 Canberra is an American-built, twin-engined tactical bomber and reconnaissance aircraft that entered service with the United States Air Force (USAF) in 1953. The B-57 is a license-built version of the British English Electric Canberra , manufactured by the Glenn L. Martin Company .
The Martin B-57 Canberra was first manufactured in 1953, and the United States Air Force had accepted a total of 403 B-57s before production ended in early 1957. The last USAF B-57 was retired in 1983. It was the last tactical bomber used by the United States Air Force, being engaged in combat operations during the Vietnam War (1963–1971).
The Martin/General Dynamics RB-57F Canberra is a specialized strategic reconnaissance aircraft developed in the 1960s for the United States Air Force by General Dynamics from the Martin B-57 Canberra tactical bomber, which itself was a license-built version of the English Electric Canberra.
The Martin RB-57D Canberra is a specialized high-altitude strategic reconnaissance aircraft developed from the Martin B-57 Canberra tactical bomber, a license-built version of the English Electric Canberra. It was used by the United States Air Force during the 1950s prior to operational use of the Lockheed U-2.
Martin/General Dynamics RB-57F Canberra; Developed from the Martin B-57 Canberra tactical bomber (which itself was a license-built version of the English Electric Canberra) for weather reconnaissance involving high-altitude atmospheric sampling and radiation detection in support of nuclear test monitoring, but four of the 21 modified aircraft ...
The "A" ground-attack classification was eliminated the next year, and the XB-51 designation was assigned instead. The requirement was for low-level bombing and close support. The XB-51 lost out in evaluation to the English Electric Canberra which — built by Martin — entered service as the Martin B-57 Canberra.
At Stewart, the squadron began to equip with the Martin B-57 Canberra, originally developed as a medium bomber, but which was being phased out in favor of the North American F-100 Super Sabre. [citation needed] Some of these B-57s were reassigned to the squadron to replace the B-29s and B-25s. [2]
Retrieved from "https://en.wikipedia.org/w/index.php?title=B-57_Canberra&oldid=367320120"This page was last edited on 11 June 2010, at 00:07 (UTC). (UTC).