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Biography

Infobox Government agency|agency_name = National Aeronautics and Space Administration|abbreviation = NASA|logo = NASA logo.svg|logo_width = 220px|logo_caption = NASA insignia
Motto: For the Benefit of All |seal =|seal_width = 160px|seal_caption =|formed = |preceding1 = National Advisory Committee for Aeronautics|NACA (1915–1958). Centennialofflight.gov. Retrieved on 2011-11-03.|jurisdiction = Federal government of the United States|United States government |headquarters = Washington, D.C.|latd=38 |latm=52 |lats=59 |latNS=N|longd=77 |longm= 0 |longs=59 |longEW=W|region_code=US-DC|employees = 18,800+|budget = US$17.8& nbsp;billion (FY 2012)
See also NASA Budget |chief1_name = Charles Frank Bolden, Jr.|Charles Bolden |chief1_position = Administrator of NASA|administrator |chief2_name = Lori Beth Garver|Lori Garver |chief2_position = Deputy Administrator of NASA|deputy administrator |website = The National Aeronautics and Space Administration ( NASA ) is the agency of the Federal government of the United States|United States government that is responsible for the nation's civilian list of space agencies|space program and for aeronautics and aerospace research. Since February 2006, NASA's mission statement has been to "pioneer the future in space exploration , Science|scientific discovery and aeronautics research." On September 14, 2011, NASA announced that it had selected the design of a new Space Launch System that it said would take the agency's astronauts farther into space than ever before and provide the cornerstone for future human space exploration efforts by the U.S.

NASA was established by the National Aeronautics and Space Act on July 29, 1958, replacing its predecessor, the National Advisory Committee for Aeronautics (NACA). The agency became operational on October 1, 1958. U.S. space exploration efforts have since been led by NASA, including the Apollo program|Apollo moon-landing missions, the Skylab space station, and later the Space Shuttle . Currently, NASA is supporting the International Space Station and is overseeing the development of the Orion Multi-Purpose Crew Vehicle and Commercial Crew Development|Commercial Crew vehicles. The agency is also responsible for the Launch Services Program (LSP) which provides oversight of launch operations and countdown management for unmanned NASA launches.

NASA science is focused on better understanding Earth through the Earth Observing System , advancing heliophysics through the efforts of the Science Mission Directorate's Heliophysics Research Program, exploring bodies throughout the Solar System with advanced robotic missions such as New Horizons , and researching astrophysics topics, such as the Big Bang , through the Great Observatories program|Great Observatories and associated programs. NASA shares data with various national and international organizations such as from the Greenhouse Gases Observing Satellite .

Creation

From 1946, the National Advisory Committee for Aeronautics|NACA had been experimenting with rocket planes such as the supersonic Bell X-1 . In the early 1950s, there was challenge to launch an artificial satellite for the International Geophysical Year (1957–58). An effort for this was the American Project Vanguard . After the Soviet space program|Soviet launch of the world's first artificial satellite ( Sputnik 1 ) on October 4, 1957, the attention of the United States turned toward its own fledgling space efforts. The United States Congress|U.S. Congress , alarmed by the perceived threat to national security and technological leadership (known as the " Sputnik crisis "), urged immediate and swift action; President Dwight D. Eisenhower and his advisers counseled more deliberate measures. This led to an agreement that a new federal agency mainly based on NACA was needed to conduct all non-military activity in space. The DARPA|Advanced Research Projects Agency (ARPA) was also created at this time to develop space technology for military application.
On July 29, 1958, Eisenhower signed the National Aeronautics and Space Act , establishing NASA. When it began operations on October 1, 1958, NASA absorbed the 46-year-old NACA intact; its 8,000 employees, an annual budget of US$100& nbsp;million, three major research laboratories ( Langley Aeronautical Laboratory|LaRC , Ames Aeronautical Laboratory|ARC , and Lewis Flight Propulsion Laboratory|LFPL ) and two small test facilities. A commons:Logos of NASA|NASA seal was approved by President Eisenhower in 1959. s:Executive Order 10849|Executive Order 10849 (Wikisource) Elements of the Army Ballistic Missile Agency|ABMA and the United States Naval Research Laboratory|NRL were incorporated into NASA. A significant contributor to NASA's entry into the Space Race with the Soviet Union was the technology from the V-2 rocket|German rocket program (led by Werner von Braun , who was now working for ABMA) which in turn incorporated the technology of American scientist Robert Goddard 's earlier works. Earlier research efforts within the U.S. Air Force and many of ARPA's early space programs were also transferred to NASA. In December 1958, NASA gained control of the Jet Propulsion Laboratory|JPL , a contractor facility operated by the California Institute of Technology|Caltech .

NASA missions

The most important part of NASA's activities are its missions; they can be divided into manned and unmanned. The latter can be either independent, carrying scientific equipment, or supportive, testing equipment for manned flights. In the beginning, NASA’s missions focused on the spacerace with the Soviet Union , which won the first round, but later USA took the initiative and won the final race to the Moon. The unmanned missions have until now explored most of the solar system. They have also brought Hubble telescope|telescopes for deep space exploration into orbit around the Earth together with satellites for Explorer program|studying Earth itself .

Manned missions

The rocket planes experiments started by NACA was taken a step further by NASA which used them as support for spaceflights, the first of which was one-manned and launched by military rockets. When the attention turned to reaching the Moon, the solution chosen was complicated but also the most economical. Supportive projects, both Project Gemini|manned and Surveyor program|unmanned were introduced and Saturn (rocket family)|bigger rockets together with Apollo spacecraft|spacecraft and moonlander developed. The Moon landing and end of the space race meant a reduction of NASA’s activities. Space stations of a more or less permanent nature, suggested already during the spacerace, were built and an international cooperation was introduced in an attempt to both bring nations together and at the same time share the high costs of space missions. In all, more than 100 manned missions have been made by NASA since 1958.

X-15 rocket plane (1959–1968)

The NACA XS-1 (Bell X-1) was followed by additional experimental vehicles, including the X-15 in cooperation with the US Air Force and US Navy. The design featured a slender fuselage with fairings along the side containing fuel and early computerized control systems. When the spacerace began the main objective was to get a person into space as soon as possible, therefore the simplest spacecraft that could be launched by existing rockets was favored. This led to the choice of a small capsule spacecraft while rocket plane proposals like a modified X-15, retrieved 2011-10-17 were turned down., retrieved 2011-10-17 Instead X-15 was used for development of techniques and equipment of value for the space missions. This included jets for changing the orientation of a spacecraft, space suits for astronauts and horizon definition for navigation., retrieved 2011-10-17 Nearly 200 flights were made between 1959 and 1968 allowing NASA to collect data vital not only to the spacerace but also the design of the Space Shuttle.. Aerospaceweb.org. Retrieved on 2011-11-03. The altitude record for X-15 was 354,200 feet (107.96& nbsp;km).

Project Mercury (1959–1963, manned missions from 1961)

Project Mercury was initiated in 1958 and started NASA down the path of human space exploration with missions designed to discover if man could survive in outer space|space . Representatives from the U.S. Army, Navy, and Air Force were selected to provide assistance to NASA. Pilot selections were facilitated through coordination with U.S. defense research, contracting, and military test pilot programs. On May 5, 1961, astronaut Alan Shepard became the first American in space when he piloted Mercury-Redstone& nbsp;3, called Freedom& nbsp;7 , on a 15-minute suborbital flight. John Glenn became the first American to orbit the Earth on February 20, 1962 during the flight of Mercury-Atlas 6| Friendship& nbsp;7 .

At that time the Soviet Union had taken the lead in the space race. In April 1961, one month before Alan Shepard, cosmonaut Yuri Gagarin became the first person in space when he orbited the Earth once in Vostok 1 . Further in August the same year, the follower Vostok 2 made a day long orbital flight, retrieved 2011-10-14 which led to canceling of additional American suborbital missions; they were no longer enough.
Three more orbital flights were made by the Mercury project after Friendship 7, the last in 1963. Three additional orbital flights were cancelled since it was clear that the Mercury spacecraft had reached its limit of staying in space.

The defeat in the first round of the spacerace led to the introduction of the Moon race program, Apollo, in 1961 just after the flight of Freedom& nbsp;7. However, it was estimated that this could not be done in one step and that further projects in Earth orbit were needed., retrieved 2011-10-14

Project Gemini (1962–1966, manned missions from 1965)

Project Gemini focused on conducting experiments and developing and practicing techniques required for lunar missions. The first Gemini flight with astronauts on board, Gemini 3 , was flown by Gus Grissom and John Young (astronaut)|John Young on March 23, 1965. Nine missions followed, showing that long-duration human space flight and Space rendezvous|rendezvous and docking with another vehicle in space were possible, and gathering medical data on the effects of weightlessness on humans. Together with that, Gemini missions also included the first American Extra-vehicular activity|spacewalks .

Even though the Gemini project managed to make a docking a year before the Soviet space program, it was too early to call it a victory. The maneuvers practiced by Gemini could be used in two ways: a spacecraft could dock with a rocket stage in orbit around the Earth and use it for going to the Moon or a spacecraft together with a Moon lander could be sent to the Moon by a single rocket and then separate and dock again after the lander had been down on the surface. However, there was a third and more direct way of going to the Moon; the Soviet Union could just build a big rocket and land the top of it on the Moon. That again could take itself back to Earth without using rendezvous or docking. In that case the Gemini project would have been a waste of time.

Apollo program (1961–1972, manned missions from 1968)

The Apollo (Moon) program was one of the most expensive American scientific programs ever. It is estimated to have cost $ in present day US$. In comparison the Manhattan project|Manhattan (atom bomb) project cost roughly today-US$.
It used the Saturn rocket s as launch vehicles, which were far bigger than the rockets build for previous projects. The spacecraft was also bigger as can be seen on the picture; it had two main parts: the combined command and service module (CSM) and the lunar landing module (LM). The LM was to be left on the Moon and only the command module (CM) containing the astronauts would eventually return to Earth. ( For details see: commons:Apollo 11 flight|Apollo 11 flight gallery )

The second manned mission, Apollo 8 , brought astronauts for the first time in a flight around the Moon. This happened in December 1968. Shortly before, the Soviet had sent an unmanned spacecraft around the Moon but they never managed to do more than that. On the next two missions docking maneuvers that were needed for the Moon landing were practiced and then finally the Moon landing was made on the Apollo 11 mission in July 1969. In 1961 President Kennedy had introduced the Apollo Program and set the deadline for a successful Moon landing at the end of the same decade. It was done by a narrow margin.

The first List of Apollo astronauts|person to stand on the Moon was Neil Armstrong and after him Buzz Aldrin while Michael Collins (astronaut)|Michael Collins orbited above. Five subsequent Apollo missions also landed astronauts on the Moon, the last in December 1972. In these six Apollo spaceflights twelve men walked on the Moon. These missions returned a wealth of scientific data and of lunar samples. Experiments included soil mechanics , meteoroid s, seismology|seismic , Heat transfer|heat flow , Lunar Laser Ranging Experiment|lunar ranging , magnetic field s, and solar wind experiments. The Moon landing marked the end of the space race and as a gesture, Armstrong mentioned mankind ...a giant leap for mankind , retrieved 2011-10-01 when he stepped down on the Moon.

Apollo set major List of space exploration milestones, 1957-1969|milestones in human spaceflight. It stands alone in sending manned missions beyond low Earth orbit , and landing humans on another celestial body .. NASA, 1999. Apollo 8 was the first manned spacecraft to orbit another celestial body, while Apollo 17 marked the last moonwalk and the last manned mission beyond low Earth orbit . The program spurred advances in many areas of technology peripheral to rocketry and manned spaceflight, including avionics , telecommunications, and computers. Apollo sparked interest in many fields of engineering and left many physical facilities and machines developed for the program as landmarks. Many objects and artifacts from the program are on display at various locations throughout the world, notably at the National Air and Space Museum|Smithsonian's Air and Space Museums .

Skylab (1973–1979)

Skylab was the United States' first and only independently built space station . The orbital workshop was launched on May 14, 1973, into a orbit inclined at 50° to the equator. Damaged during launch by the loss of its thermal protection and one electricity-generating solar panel, it was repaired to functionality by its first crew. It was occupied for a total of 171 days by 3 successive crews in 1973 and 1974. It included a laboratory for studying the effects of microgravity environment|microgravity , and a Apollo Telescope Mount|solar observatory . NASA planned to have a Space Shuttle dock with, and elevate Skylab to a higher safe altitude, but the Shuttle was not ready for flight before Skylab's re-entry on July 11, 1979.Benson, Charles Dunlap and William David Compton. . NASA publication SP-4208.

Apollo spacecraft were used for bringing astronauts to and from the Skylab. Three three-man crews stayed aboard the station for periods of 28, 59, and 84 days. Skylab's habitable volume was , which was 30.7 times bigger than that of the Apollo Command/Service Module#Command Module (CM)|Apollo Command Module .

Apollo-Soyuz Test Project (1975–1981)

In the 1970s the cold war was thawing and as a consequence the Apollo-Soyuz Test Project (ASTP) was introduced. It was the first joint flight of the U.S. and Soviet Union|Soviet space exploration|space programs . The mission took place in July 1975. For the United States, it was the last Project Apollo|Apollo flight, as well as the last manned space launch until the flight of the first Space Shuttle in April 1981. Manned Skylab and ASTP missions used the smaller Saturn IB with Apollo CSM, not the Saturn V.

The mission included both joint and separate scientific experiments, and provided useful engineering experience for future joint US–Russian space flights, such as the Shuttle–Mir Program, retrieved 2011-10-15 and the International Space Station.

Space Shuttle program (1981–2011)

The Space Shuttle became the major focus of NASA in the late 1970s and the 1980s. Planned as a frequently launchable and mostly reusable vehicle, four space shuttle orbiters were built by 1985. The first to launch, Space Shuttle Columbia| Columbia , did so on April 12, 1981, the 20th anniversary of the first space flight by Yuri Gagarin., retrieved 2011-10-18

Its major components were a rocket plane orbiter with an external fuel tank and two solid fuel launch rockets at its side. The external tank, which was bigger than the spacecraft itself, was the only component that was not reused. The shuttle could orbit in altitudes of 185 – 643& nbsp;km (115 – 400 statute mile|miles ), retrieved 2011-10-18 and carry a maximum payload (to low orbit) of 24,400& nbsp;kg (54,000& nbsp;lb)., retrieved 2011-10-18 Missions could last from 5 to 17 days and crews could be from 2 to 8 astronauts.

On 20 missions (1983–1998) the Space Shuttle carried Spacelab , a space laboratory designed in cooperation with the European Space Agency|ESA . Spacelab was not designed for independent orbital flight, but remained in the Shuttle's cargo bay as the astronauts entered and left it through an airlock ., Retrieved October 20, 2011 Another famous series of missions were the launch and later successful repair of the Hubble space telescope 1990 and 1993, Retrieved October 20, 2011

In 1995 Russian-American interaction resumed with the Shuttle-Mir Program|Shuttle-Mir missions (1995–1998). Once more an American vehicle docked with a Russian craft, this time a full-fledged space station. This cooperation has continued to 2011, with Russia and the United States the two biggest partners in the largest space station ever built: the International Space Station (ISS). The strength of their cooperation on this project was even more evident when NASA began relying on Russian launch vehicles to service the ISS during the two-year grounding of the shuttle fleet following the 2003 Space Shuttle Columbia disaster|Space Shuttle Columbia disaster .

The shuttle fleet lost two orbiters and 14 astronauts in two disasters: Space Shuttle Challenger disaster|Challenger in 1986, and Columbia in 2003. While the 1986 loss was mitigated by building the Space Shuttle Endeavour|Space Shuttle Endeavour from replacement parts, NASA did not build another orbiter to replace the STS-107|second loss . NASA's Space Shuttle program had 135 missions when the program ended with the successful landing of the Space Shuttle Atlantis at the Kennedy Space Center on July 21, 2011. The program spanned 30 years with over 300 astronauts sent into space.

International Space Station (1998–)

The ISS combines the Japanese Japanese Experiment Module|Kibo laboratory with three space station projects, the Soviet/Russian Mir-2 , the American Space Station Freedom|Freedom , and the European Columbus (ISS module)|Columbus . Budget constraints led to the merger of these projects into a single multi-national program in the 1990s. The station consists of pressurized modules, external Integrated Truss Structure|trusses , solar arrays and other components, which have been launched by Russian Proton (rocket)|Proton and Soyuz (rocket family)|Soyuz rockets, and US Space Shuttles. It is Assembly of the International Space Station|currently being assembled in Low Earth Orbit . The construction began in 1998 and construction of the US Orbital Segment was completed in 2011; operations are expected to continue until at least 2020. The station can be seen from the Earth with the naked eye and, , is the largest artificial satellite in Earth orbit with a mass and volume larger than that of any previous space station., Retrieved October 20, 2011

As mentioned it is a joint project between the five participating space agencies, NASA, the Russian Russian Federal Space Agency|RKA , the Japanese Japan Aerospace Exploration Agency|JAXA , the European European Space Agency|ESA , and the Canadian Canadian Space Agency|CSA . The ownership and use of the space station is established in intergovernmental treaties and agreements which divide the station into two areas and allow Russian Federation|Russia to retain full ownership of the Russian Orbital Segment , with the US Orbital Segment|US Segment allocated between the other international partners. The station is serviced by Soyuz (spacecraft)|Soyuz and Progress (spacecraft)|Progress spacecraft, the Automated Transfer Vehicle , and the H-II Transfer Vehicle and has been visited by astronauts and cosmonauts from List of International Space Station visitors|15 different nations . The Space Shuttle, before its retirement was also used for cargo and crew transfer.

In 2012, it is expected that the American Commercial_Orbital_Transportation_Services#Commercial_Resupply_Services|Commercial Resupply Service vehicles, the SpaceX Dragon (spacecraft)|Dragon and the Orbital Sciences ' Cygnus (spacecraft)|Cygnus , will begin to service the space station with cargo.

On February 1st, 2010, the American Commercial Crew Development (CCDev) program was initiated with the purpose of creating commercially operated spacecraft capable of delivering crew to the ISS. These spacecraft are expected to become operational in the mid 2010s.

Unmanned missions (1958–)

More than 1,000 unmanned missions have been designed to explore the earth and parts of the solar system. Apart from exploration also communication satellites have been launched by NASA. The missions have been launched directly from earth or by space shuttle, which again could launch the satellite itself or a vehicle containing the satellite.

The first mission was Explorer 1 , which started as an ABMA/JPL project during the early space race. It was launched in January 1958, two month after Sputnik. At the creation of NASA it was transferred to this agency and still continues to this day (2011). Its missions have been focusing on the Earth and the Sun measuring among others magnetic fields and solar wind . A more recent Earth mission, not related to the Explorer program, was the Hubble telescope , which as mentioned above was brought into orbit in 1990.

The closest planets Mars, Venus and Mercury have been the goal of at least 4 programs. The first was Mariner in the 1960s and ‘70s, which visited all three of them. Mariner was also the first to make a planetary flyby, to take the first pictures from another planet, the first planetary orbiter, and the first to make a gravity assist maneuver. This is a technique where the satellite takes advantage of the gravity and velocity of planets to reach its destination.

The first successful landing on Mars was made by Viking I in 1976. 20 years later a rover was landed on Mars by Mars Pathfinder .

Outside Mars, Jupiter was first visited by Pioneer 10 in 1973. More than 20 years later Galileo (spacecraft)|Galileo sent a probe into the planets’ atmosphere. The first spacecraft to leave the solar system was Pioneer 10 in 1983. At a time it was the most distant spacecraft, but it is now passed by Voyager 2.

Both the Pioneer and the Voyager program carries messages from the Earth to extraterrestrial life. A problem with far space travel is communication. For instance, at present it takes about 3 hours for a radio signal to reach the New Horizon spacecraft at a point more than half way to Pluto. Contact with Pioneer 10 was lost in 2003.

On 26 November 2011, NASA's Mars Science Laboratory mission was successfully launched for Mars. The mission is scheduled to land the robotic "Curiosity" rover on the surface of Mars in August 2012, whereupon the rover will search for evidence of past or present life on Mars.

Recent and planned activities

NASA's ongoing investigations include in-depth surveys of Mars and Saturn and studies of the Earth and the Sun. Other active spacecraft missions are MESSENGER for Mercury (planet)|Mercury , New Horizons (for Jupiter, Pluto , and beyond), and Dawn (spacecraft)|Dawn for the asteroid belt . NASA continued to support in situ exploration beyond the asteroid belt, including Pioneer and Voyager traverses into the unexplored trans-Pluto region, and Gas Giant orbiters Galileo (1989–2003), Cassini, and Juno (2011–).

The New Horizons mission to Pluto was launched in 2006 and aiming for Pluto flyby in 2015. The probe received a gravity assist from Jupiter in February 2007, examining some of Jupiter's inner moons and testing on-board instruments during the fly-by. On the horizon of NASA's plans is the MAVEN (spacecraft)|MAVEN spacecraft as part of the Mars Scout Program to study the atmosphere of Mars .

On December 4, 2006, NASA announced it was planning a Lunar outpost (NASA)|permanent moon base . The goal was to start building the moon base by 2020, and by 2024, have a fully functional base that would allow for crew rotations and in-situ resource utilization . However in 2009, the Review of United States Human Space Flight Plans Committee|Augustine Committee found the program to be on a "unsustainable trajectory." In 2010, President Barack Obama halted existing plans, including the Moon base, and directed a generic focus on manned missions to asteroids and Mars, as well as extending support for the International Space Station .

On April 18, 2011, NASA awarded nearly $270 million to four companies to develop U.S. vehicles that could fly astronauts to the ISS as part of the CCDev#CCDev_2|CCDev 2 program.

In September 2011, NASA announced the start of the Space Launch System program to develop a human-rated heavy lift vehicle. The Space Launch System is intended to launch the Orion Multi-Purpose Crew Vehicle and other elements towards the Moon , Near-Earth object#Near-Earth_asteroids|near-Earth asteroids , and one day Mars . The Orion MPCV is planned for an unmanned test launch on a Delta IV Heavy rocket around late 2013.

NASA science

Medicine in space

A variety of large-scale medical studies are being conducted in space via the National Space Biomedical Research Institute (NSBRI). Prominent among these is the Advanced Diagnostic Ultrasound in Microgravity Study in which Astronauts (including former ISS Commanders Leroy Chiao and Gennady Padalka ) perform ultrasound scans under the guidance of remote experts to diagnose and potentially treat hundreds of medical conditions in space. Usually, there is no physician onboard the International Space Station and diagnosis of medical conditions is challenging. In addition, Astronauts are susceptible to a variety of health risks including decompression sickness, barotrauma, immunodeficiencies, loss of bone and muscle, orthostatic intolerance due to volume loss, sleep disturbances, and radiation injury. Ultrasound offers a unique opportunity to monitor these conditions in space. This study's techniques are now being applied to cover professional and Olympic sports injuries as well as ultrasound performed by non-expert operators in populations such as medical and high school students. It is anticipated that remote guided ultrasound will have application on Earth in emergency and rural care situations, where access to a trained physician is often rare.

Ozone depletion

In the middle of the 20th century NASA augmented its mission of Earth’s observation and redirected it toward environmental quality. The result was the launch of Earth Observing System (EOS) in 1980s, which was able to monitor one of the global environmental problems— ozone depletion . The first comprehensive worldwide measurements were obtained in 1978 with the Nimbus-7 satellite and NASA scientists at the Goddard Institute for Space Studies .

Salt evaporation and energy management

In one of the nation's largest restoration projects, NASA technology helps state and federal government reclaim of salt evaporation ponds in South San Francisco Bay. Satellite sensors are used by scientists to study the effect of salt evaporation on local ecology.

NASA has started Energy Efficiency and Water Conservation Program as an agency-wide program directed to prevent pollution and reduce energy and water utilization. It helps to ensure that NASA meets its federal stewardship responsibilities for the environment.

Earth Science Enterprise

Understanding of natural and human-induced changes on the global environment is the main objective of NASA's Earth Science Enterprise . NASA currently has more than a dozen Earth science spacecraft/instruments in orbit studying all aspects of the Earth system (oceans, land, atmosphere, biosphere, cyrosphere), with several more planned for launch in the next few years.

NASA is working in cooperation with National Renewable Energy Laboratory (NREL). The goal is to produce worldwide solar resource maps with great local detail. NASA was also one of the main participants in the evaluation innovative technologies for the clean up of the sources for dense non-aqueous phase liquids (DNAPLs). On April 6, 1999, the agency signed The Memorandum of Agreement (MOA) along with the United States Environmental Protection Agency , United States Department of Energy|DOE , and USAF authorizing all the above organizations to conduct necessary tests at the John F. Kennedy Space center. The main purpose was to evaluate two innovative in-situ remediation technologies, thermal removal and oxidation destruction of DNAPLs. National Space Agency made a partnership with Military Services and Defense Contract Management Agency named the “Joint Group on Pollution Prevention”. The group is working on reduction or elimination of hazardous materials or processes.

On May 8, 2003, United States Environmental Protection Agency|Environmental Protection Agency recognized NASA as the first federal agency to directly use landfill gas to produce energy at one of its facilities—the Goddard Space Flight Center , Greenbelt, Maryland.

Facilities

John F. Kennedy Space Center (KSC), is one of the best-known NASA facilities. It has been the launch site for every United States human space flight since 1968. Although such flights are currently on pause, KSC continues to manage and operate unmanned rocket launch facilities for America's civilian space program from three pads at the adjoining Cape Canaveral Air Force Station.

Another major facility is Marshall Space Flight Center in Huntsville, Alabama at which the Saturn 5 rocket and Skylab were developed. The JPL, mentioned above, was together with ABMA one of the agencies behind Explorer 1, the first American space mission.

Leadership

Administrator of the National Aeronautics and Space Administration|The administrator is the highest-ranking NASA official and serves as the senior space science adviser to the President of the United States. The administration is located at NASA Headquarters in Washington, DC and provides overall guidance and direction to the agency.

The first Administrator was Dr. T. Keith Glennan ; during his term he brought together the disparate projects in space development research in the US.

Some administrators like Richard H. Truly (administrator 1989–1992) have been astronauts themselves. Among others he piloted Space Shuttle Columbia in 1981 on its second flight and later supervised the rebuilding of the shuttle program after the disaster of Challenger in 1986, retrieved 2011-10-19

On May 24, 2009, President Obama announced the nomination of Charles F. Bolden, Jr.|Charles Bolden as NASA administrator, and Lori Garver as deputy administrator. Bolden was confirmed by the US Senate on July 15, 2009 as the twelfth administrator of NASA. Lori Garver was confirmed as NASA's deputy administrator.

Budget

Public perception of the NASA budget may be very different from reality and has been the subject of controversy since the agency's creation.

A 1997 poll reported that Americans had an average estimate of 20% for NASA's share of the federal budget. In reality, NASA's budget has been between 0.5% and 1% from the late 1960s on.

NASA budget briefly peaked at over 4% of the federal budget in the mid-1960s during the build up to the Apollo program.

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