A vanguard is the forward element of an advancing military tactical formation. Vanguard may also refer to:
Ships
HMS Vanguard, any of several British Royal Navy ships
Vanguard class submarine, the British Royal Navy's current nuclear ballistic missile submarines
USNS Vanguard , US Navy vessel commissioned in 1944, originally USNS Mission San Fernando
Ocean Vanguard, a British freighter sunk in 1942 by the German submarine Unterseeboot 515
Vanguard class ship of the line, a class of warship deployed during the 19th century by the British Royal Navy
Planes
Vickers Vanguard, a British short/medium-range turboprop airliner (first flown 1959)
Standard Vanguard, a car produced by the British Standard Motor Company from 1947 to 1963
P-66 Vanguard, U.S. fighter plane built from 1939 to 1943
Space
Project Vanguard, a U.S. satellite launch project begun in 1957
Vanguard rocket, launch vehicle used in Project Vanguard
Vanguard TV3, first satellite launch attempt in
Source:
http://en.wikipedia.org/wiki/Vanguard