Main Page | See live article | Alphabetical index Mercury 8 in Hangar (NASA) Mercury 8 was a Mercury program manned space mission launched on October 3, 1962. The capsule was named "Sigma 7" and completed six earth orbits piloted by astronaut Wally Schirra. It was the first flawless Mercury mission. Previous Mission: Mercury 7 Mercury Next Mission: Mercury 9 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.