Tags: Artificialsatellite, Satellite.
Mercury-Redstone 1 (MR-1) was the first Mercury-Redstone unmanned flight test in the Mercury program and the first attempt to launch a Mercury spacecraft with the Mercury-Redstone launch vehicle. Intended to be an unmanned sub-orbital flight it was launched on November 21 1960 from Cape Canaveral Florida. The launch failed in a peculiar fashion which has been referred to as the four-inch flight.
