The B57 nuclear bomb was a tactical nuclear weapon developed by the United States during the Cold War.
HLA-B57 (B57) is an HLA-B serotype.
The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Brooklyn, New York, United States; one minor route is privately operated under a city franchise.
The Martin B-57 Canberra is an American-built, twinjet tactical bomber and reconnaissance aircraft that entered service with the United States Air Force (USAF) in 1953.
The Sicilian Defence is a chess opening that begins with the following moves: The Sicilian is the most popular and best-scoring response to White's first move 1.e4.
Volvo B57 was a front-engined single-decker bus chassis manufactured by Volvo between 1966 and 1982.