SuddenCat

Mercury

Any of the first series of manned space flights conducted by the United States (1961–63). The series began with a suborbital flight about three weeks after the Soviet cosmonaut Yury Gagarin became the first human in space (see Vostok). Alan B. Shepard, Jr., rode a Mercury space capsule dubbed Freedom 7 on a 486-kilometre (302-mile) flight of 15-minute duration, attaining a maximum altitude of

posted by SuddenCat @ 2:17 AM