Mercury 3 or variants may refer to: * Mercury 3, a spacecraft of

Project Mercury Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet U ...

* Mercury(III), an unknown compound of the element

Mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Mercur ...

* Mercury III, a version of the

Blackburn Mercury The Blackburn Mercury was an early British aircraft designed as a pilot trainer for the Blackburn Flying School, Filey, in 1911. It was an enlarged, two-seat version of the Second Monoplane that flew earlier that year. It was a mid-wing monop ...

early British aircraft * Mercury III, a 1929 version of the

Bristol Mercury The Bristol Mercury is a British nine-cylinder, air-cooled, single-row, piston radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central c ...

aircraft engine

See also