A National Aeronautics & Space Administration (NASA), which was established inside 1958, is the agency responsible the public space program of the United States of America. These are too responsible long-semipermanent civilian & military aerospace research.

Vision and mission
NASA's vision is "to improve life here, extend life to there, and to find life beyond." Its mission is "to understand and protect our home planet; to explore the Universe and search for life; and to inspire the next generation of explorers."

History
Space Race

Ensuing a Soviet space program's launch of the world's number one human-synthetic satellite (Sputnik 1) on October 4, 1957, the attention of the United States turned toward its have fledgling space efforts. The U.S. Congress, alarmed by the perceived threat to U.S. security & technical leadership, urged quick & fleet action; President Dwight D. Eisenhower and his advisers counseled more deliberate measures. Many months of debate produced agreement that the recently office was required to conduct entirely unmilitary activity around space.

In July 29, 1958, President Eisenhower signed a National Aeronautics & Space Work of 1958 establishing the National Aeronautics & Space Administration (NASA). Whilst it began operations in October 1, 1958, NASA consisted mainly of the quatern laboratories & occasionally 8,000 employees of the government's 46-season-old a food and drug administration professional for astronautics, the National Advisory Committee for Aeronautics (NACA), though the probably first contribution actually got its roots in the German rocket program led by Wernher von Braun, who is now think of a father of the United States space program.

NASA's early software online were locate into man space travel, & were conducted under a pressure of a competition between a United states & the USSR (the Space Race) that existed during a Cold War. A Mercury program, initiated in 1958, started NASA down the path of individual space exploration sustaining missions designed to discover only whenever human can last within space. In May 5, 1961, astronaut Alan B. Shepard Jr. became the first American in space when he piloted Freedom 7 on a 15-minute suborbital flight. John Glenn became a foremost Our contries to orbit the Globe in February 20, 1962 during the Quintuplet-hour flight of Friendship 7.

It used to be that a Mercury design proved that human being spacefaring was imaginable, project Gemini was launched to conduct experiments and function out issues on to the moon mission. A 1st Gemini flight by having spaceman in board, Gemini III, was flown by Virgil "Gus" Grissom and John W. Young on March 23, 1965. Nine more missions followed, showing that long-duratiin human being space flight was imaginable, proving that rendezvous & addictive using an additional vehicle inside space was conceivable, & gathering medical information on the results of lightness on homo.

Apollo program
Below a profits of a Mercury & Gemini software online, the Apollo program was launched to try to do interesting act around space & even put men around (but not on) a Moon. A counsel of the Apollo program was radically altered as a result President John F. Kennedy's announcement on May 25, 1961 that the United States should commit itself to "landing a man on the Moon and returning him safely to the Earth" by 1970. So Apollo became the program to land men on the Moon. A Gemini program was started shortly thenceforth to provide an interim space vehicle to prove techniques requisite for the okay, very much extra complicated Apollo missions.

When eight years of preliminary missions, including NASA's number one loss of spaceman using a Apollo 1 launch pad fire, and a number one space vehicle to orbit a Mooon (Apollo 8) at the prevent of 1968, the Apollo program achieved its goals by owning Apollo 11 which landed Neil Armstrong and Buzz Aldrin on the moon's surface on July 20, 1969 and returned them to Globe safely in July 24. Armstrong's number one words upon stepping away from a Eagle lander captured the momentousness of the occasion: "That's one small step for [a] man, one giant leap for mankind." Twelve men would set foot on the Moon by the end of the Apollo program in December 1972.

NASA got won a moon race, & within a few senses this left it forswearing counsel, or even at a super least forswearing a public attention & interest that was necessary to assure big budgets from either Congress. Fallowing President Lyndon Johnson left office, NASA misplaced its independent political supporter, & rocket man of science Wernher von Braun was moved to a position lobbying around Wash.. Plans for challenging watch-in projects to construct the space laboratory, establish the lunar base & launch the human being mission to Mars by 1990 were proposed but by having a prevent to procural of Saturn and Apollo hardware, there was there are no capability to trend lines these. A touching-disaster of Apollo 13, where an atomic number 8 tank explosion about doomed completely threesome cosmonaut, helped to recapture national attention & concern. Although missions as much as Apollo 20 were planned, Apollo 17 was a previous mission to fly under the Apollo banner. A program ended because of budget cuts (around section due to the Vietnam War) and the want to grow a recyclable ballistic capsule.

Other early missions
Although a immense majority of NASA's budget has been spent in person space travel, there keep close at hand been numerous robotic missions instigated per space professional. Inside 1962 the Mariner 2 mission was launched and became the foremost space vehicle to produce a flyby of an additional planet – therein instance Venus. A Ranger, Surveyor, and Lunar Orbiter missions were essential to assessing lunar conditions prior to attempting Apollo landings by having human being in board. Late, them Viking probes landed on the surface of Mars and sent color images back to Globe, however peradventure other telling were a Pioneer and particularly Voyager missions that visited Jupiter, Saturn, Uranus and Neptune sending back scientific information & colour images.

Getting wasted a space race, a Soviet Union had, along with a United states, changed its approach. In July 17, 1975 an Apollo craft (finding a fresh utilize when the cancelling of planned lunar flights) was docked to the Soviet Soyuz 19 space vehicle, in the Apollo-Soyuz Test Project. Although the Cold War would endure numerous additional years, this was a critical point inside NASA's history & good deal of the international co-operation inside space exploration that lives now has its genesis using this mission. United states's number one space laboratory, Skylab, occupied NASA from a prevent of Apollo until a late 1970s.

Shuttle era
A space shuttle became a major focus of NASA in the late 1970s & the Eighties. Plotted to become the ofttimes launchable & mostly reclaimable vehicle, quadruplet space shuttles were built by 1985. A number 1 to launch, Columbia did so on April 12, 1981.

A shuttle was non altogether skillful news for NASA – flights were very much other expensive than ab initio projected, & possibly when a 1986 Challenger disaster highlighted the risks of space flight, the public again lost interest as missions appeared to become mundane. Act began in Space Station Freedom as a focus for a manned space programme but in NASA there was argument that these projects come at a expense of additional inspiring remote-controlled missions like the Voyager probes. the Contender disaster aside a late 1980s marked a moo point for NASA.

Nevertheless, a shuttle has been utilized to launch milestone projects prefer a Hubble Space Telescope (HST). the HST was created by having a comparatively little budget of $2 billion however has continued operation since 1990 & has delighted both man of science and a public. A select few of a images it has returned keep close at hand get touching-legendary, like the innovative Hubble Deep Field images. A HST occurs as joint task between ESA and NASA, and its profits has paved a way for greater collaboration between a agents.

Within 1995 Russian-American interaction would once more exist when achieved as a Shuttle-Mir missions began, and once again the Russian craft (this period the good-fledged space platform) docked sustaining an Our contries vehicle. This cooperation continues to a present day, sustaining Russia & United states of america them large partners in the big space laboratory ever built – the International Space Station (ISS). A nature and severity of their cooperatiin on this plan was possibly extra evident once NASA began relying on Russian launch vehicles to service a ISS resulting a 2003 Columbia disaster, which grounded the shuttle fleet for well over two years.

Costing on top 100 billion dollars, it has been hard at days for NASA to justify a ISS. A population at large have historically been strong to impress by owning details of scientific experiments inside space, preferring news of grand projects to exotic locations. Potentially today, a ISS can't accommodate when numerous man of science when aforethought.

When you took lot of the Nineties, NASA was faced by owning shrinking annual budgets due to Congressional belt-tightening inside Wash., DC. Around response, NASA's 9th administrator, Daniel S. Goldin, pioneered the "faster, better, cheaper" approach that enabled NASA to cut costs while still delivering a wide variety of aerospace programs (Discovery Program). That method was criticized & re-evaluated as punishment a twin losses of Mars Climate Orbiter and Mars Polar Lander in 1999.

NASA's future
NASA's virtually all publicly-inspiring mission of recent years has probably been a Mars Pathfinder mission of 1997. Newspapers around a world carried images of the lander dispatching its have rover, Sojourner, to choose the surface of Mars in how else never done prior to at any additional-terrestrial location. Less publicly acclaimed however performing science from either 1997 up to now (2004) has been the Mars Global Surveyor orbiter. Since 2001, a orbiting Mars Odyssey has been searching for even grounds to believe of past or present h2o & volcanic activity on the mars. NASA expects to prove my point looking for a Mars by having further ballistic capsule like a Mars Reconnaissance Orbiter, which will email Mars inside 2006.

A Space Shuttle Columbia disaster inside 2003, which flushed a crew of captain hicks Our contries cosmonaut, 1 Russian Cosmonaut, and induced the Xxix-year hiatus around space shuttle flights, triggered the good re-examination of NASA's priorities. A U.S. government, various man of science, & a public tons considered a new of the space program.

In January 14, 2004, ten years fallowing a landing of Mars Exploration Rover Spirit, President George W. Bush announced a new plan for NASA's future, dubbed the Vision for Space Exploration. Based on data from this project, human race may link to to the moon by 2020, & install outposts as a testbed and expected resource for first missions. A space shuttle will be retired in 2010 and the Crew Exploration Vehicle will replace it by 2014, capable of both docking sustaining a ISS & allowing a Globe's orbit. A first of the ISS is somewhat uncertain – construction is completed, however beyond that is less clear. Although a project ab initio met sustaining skepticism from either Congress, within late 2004 Congress agreed to provide run-higher funds for the 1st season's worth of the recently space vision.

Hoping to spur innovation from either the personal sector, NASA established a series of Centennial Challenges, technology prizes for non-government teams, in 2004. A Challenges include tasks that is utile for implementing a Vision for Space Exploration, like building additional effective cosmonaut gloves.

Criticisms
Occasionally commentators, like Mark Wade, note that NASthe has suffered from either a 'prevent-begin' approach to its man space travel software. A Apollo ballistic capsule & Saturn personal of launch vehicles were abandoned within 1970 when billions of dollars got been spent in their development. Within 2004 a U.S. Government proposed at length replacing the Shuttle by owning a Crew Exploration Vehicle that would allow the professional to once again send spaceman to the Moon. Despite the reduction of its budget as a result task Apollo, NASA has maintained a top-thick bureaucracy ensuant within inflated costs & compromised devices.

Florida, USA, taken from NASA Shuttle Mission STS-95 on October 31, 1998.

Presently, a ISS relies on the Shuttle fleet for all major construction shipments. A Shuttle fleet has misplaced deuce space vehicle & xiv cosmonaut around 2 disasters within 1986 and 2003. When the 1986 loss was processed higher by owning a Shuttle built from replacement parts, NASA does not project to build an additional shuttle to replenish a 2nd loss. (However watch as well CEV.) the ISS, which wwhen arranged to have a crew of 7 as of 2005, currently has a skeleton crew of ii, stimulating several designed scientific research to become delayed. More nations that keep around invested heavy in the space station's construction, like a members of the European Space Agency, are cowardly that a ISS's fate may before long match a fate of Skylab. When of 2005, still, tons of the European or even Japanese contributions to the ISS come years behind development schedule themselves.

NASA spaceflight missions
Human spaceflight
Mercury program Gemini program Apollo program Skylab Space Shuttle International Space Station (working together with ESA, Rosviakosmos and JAXA) Project Constellation

Robotic space missions
Earth Observing Upper Atmosphere Research Satellite TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics)

Lunar missions Ranger Surveyor Lunar Orbiter Clementine Lunar Prospector

Mercury missions Mariner 10 MESSENGER

Venus missions Mariner 2, 5 and 10 Pioneer Venus Magellan

Mars missions Mariner 4, 6, 7, 8 and 9 Viking 1 and 2 Mars Observer Mars Pathfinder Mars Climate Orbiter Mars Polar Lander Mars Global Surveyor 2001 Mars Odyssey Mars Exploration Rovers Mars Reconnaissance Orbiter Phoenix Lander (Planned for 2007) Mars Science Laboratory (Planned for 2009)

Jupiter missions Pioneer 10 Galileo

Saturn missions Cassini-Huygens together with ESA

Multi-planet missions Pioneer 11 – Jupiter and Saturn Mariner 10 – Venus and Mercury Voyager 1 – Jupiter and Saturn Voyager 2 – Jupiter, Saturn, Uranus and Neptune New Horizons (Planned for 2006) – Jupiter, Pluto and Kuiper Belt

Asteroidal/cometary missions NEAR Shoemaker Deep Space 1 Stardust Deep Impact Dawn (Planned for 2006)

Proposed or even canceled planetary-asteroid missions JIMO (cancelled) CRAF (cancelled) NetLanders (cancelled) Titan Explorer (proposed) Neptune Orbiter (proposed)

Sun researching missions SOHO – ESA partnership Ulysses – ESA partnership

Smashing Observatories for Space Astrophysics Hubble Space Telescope – ESA partnership Compton Gamma Ray Observatory Chandra X-ray Observatory Spitzer Space Telescope (formerly called a Space Infrared Telescope Facility, SIRTF)

Other observatories COBE FUSE Infrared Astronomical Satellite James Webb Space Telescope – ESA partnership WMAP

List of NASA administrators