As of 2015, the Mariner 10 and MESSENGER missions have been the only missions that have made close observations of Mercury.

Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics MESSENGER made three flybys before entering orbit around Mercury. It consisted of 6 manned flights from 1961 to 1963.

Project Mercury was the first American human spaceflight program. John Glenn is reset to go into orbit, 7:10 . Hours later, Apollo followed, lifting off from NASA's Kennedy Space Center at 3:50 p.m. On board were astronauts Thomas Stafford, Vance Brand and Donald Slayton.

Total flight time for these missions was 53 hours, 55 minutes and 27 seconds. The flights planned for Apollo 15 and Apollo 19 were cancelled in September, 1970, the remaining missions were then renumbered 15 through 17. Look at other dictionaries: List of Constellation missions — Artist s rendition of the docking of Orion to the ISS Ares I X launches fr … Wikipedia. Mercury-Atlas 7 was a Mercury program space mission. ... All follow-on Vostok missions cancelled in spring 1964. Re: Cancelled Mercury Mission? Your Flight Has Been Cancelled.... Home - Search - Browse - Alphabetic ... Mercury MA-10 Planned second one-day Mercury flight. John Glenn, is set to go into orbit, but the mission is cancelled, 6:23. There were originally 3 more Apollo missions scheduled to fly to the Moon in the initial Apollo plan, all were cancelled due to budgetary constraints. Mariner 10 - NASA Flyby Mission to Venus and Mercury (1973) MESSENGER - NASA Orbiter to Mercury (2004) BepiColombo - ESA/JAXA Orbiter Mission to Mercury (2018) Data. Missions to Mercury Current and Past Missions. « Reply #9 on: 06/20/2006 03:57 am » So that was just a real-time call on Von Braun's part--he thought there should be one more unmanned flight and that's what made Gagarin beat Sheperd. Soyuz 19 launched July 15, 1975, at 8:20 a.m. EDT, carrying cosmonauts Alexey Leonov and Valery Kubasov. It is the least explored inner planet. Mercury, America's first human space flight program, introduced the nation to its first astronauts. Apollo 20 was cancelled in January 1970. List of Apollo missions — The Apollo missions were a series of space missions, both manned and unmanned, flown by NASA between 1961 and 1975.

It carried Alan Shepard to fame as the first American in space on May 5, 1961. NASA.gov brings you the latest images, videos and news from America's space agency. Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963.