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This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space.. This timeline generally does not distinguish achievements by a specific country or private company, as it considers humanity as a whole.
The United States has developed many space programs since the beginning of the spaceflight era in the mid-20th century. The government runs space programs by three primary agencies: NASA for civil space; the United States Space Force for military space; and the National Reconnaissance Office for intelligence space. These entities have invested ...
The "Review of United States Human Space Flight Plans" was to examine ongoing and planned National Aeronautics and Space Administration development activities, as well as potential alternatives and present options for advancing a safe, innovative, affordable, and sustainable human space flight program in the years following Space Shuttle ...
Space Exploration Technologies Corp., commonly referred to as SpaceX, is an American space technology company headquartered at the Starbase development site near Brownsville, Texas. Since its founding in 2002, the company has made numerous advancements in rocket propulsion , reusable launch vehicles , human spaceflight and satellite ...
Alan Shepard became the first American in space on a suborbital flight three weeks later, on May 5, 1961. [138] John Glenn, the third Mercury astronaut to fly, became the first American to reach orbit on February 20, 1962, but only after the Soviets had launched a second cosmonaut, Gherman Titov , into a day-long flight in August 1961. [ 220 ]
The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which succeeded in landing the first humans [2] on the Moon in 1969, following Project Mercury, which put the first Americans in space.
The first space rendezvous was accomplished by Gemini 6A and Gemini 7 in 1965.. Records and firsts in spaceflight are broadly divided into crewed and uncrewed categories. Records involving animal spaceflight have also been noted in earlier experimental flights, typically to establish the feasibility of sending humans to outer space.
This is a timeline of achievements in Soviet and United States spaceflight, spanning the Cold War era of nationalistic competition known as the Space Race.. This list is limited to first achievements by the USSR and USA which were important during the Space Race in terms of public perception and/or technical innovation.