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NASA

UNITED STATES SPACE AGENCY- NASA - National Aeronautics and Space Administratio

Aeronautics
Human Exploration and Operations
Science
Space Technology

NASA, independent U.S. governmental agency established in 1958 for the research and development of vehicles and activities for the exploration of space within and outside Earth’s atmosphere.

NASA was created in response to the Soviet Union’s October 4, 1957 launch of its first satellite, Sputnik I. The 183-pound, basketball-sized satellite orbited the earth in 98 minutes. The Sputnik launch caught Americans by surprise and sparked fears that the Soviets might also be capable of sending missiles with nuclear weapons from Europe to America. The United States prided itself on being at the forefront of technology, and, embarrassed, immediately began developing a response, signaling the start of the U.S.-Soviet space race.

On November 3, 1957, the Soviets launched Sputnik II,which carrieda dog named Laika. In December, America attempted to launch a satellite of its own, called Vanguard, but it exploded shortly after takeoff. On January 31, 1958, things went better with Explorer I, the first U.S. satellite to successfully orbit the earth. In July of that year, Congress passed legislation officially establishing NASA from the National Advisory Committee for Aeronautics and other government agencies, and confirming the country’s commitment to winning the space race. In May 1961, President John F. Kennedydeclared thatAmerica should put a man on the moon by the end of the decade. On July 20, 1969, NASA’s Apollo 11 mission achieved that goal and made history when astronaut Neil Armstrong became the first person to set foot on the moon, saying “That’s one small step for man, one giant leap for mankind.”

NASA has continued to make great advances in space exploration since the first moonwalk, including playing a major part in the construction of the International Space Station. The agency has also suffered tragic setbacks, however, such as the disasters that killed the crews of the Challenger space shuttle in 1986 and the Columbia space shuttle in 2003. In 2004, President George Bush challenged NASA to return to the moon by 2020 and establish “an extended human presence” there that could serve as a launching point for “human missions to Mars and to worlds beyond.”

The organization is composed of four mission directorates: Aeronautics Research, for the development of advanced aviation technologies; Science, dealing with programs for understanding the origin, structure, and evolution of the universe, the solar system, and Earth; Space Technology, for the development of space science and exploration technologies; and Human Exploration and Operations, concerning the management of manned space missions, including those to the International Space Station, as well as operations related to launch services, space transportation, and space communications for both manned and robotic exploration programs. A number of additional research centres are affiliated, including the Goddard Space Flight Center in Greenbelt, Maryland; the Jet Propulsion Laboratory in Pasadena, California; the Johnson Space Center in Houston, Texas; and the Langley Research Center in Hampton, Virginia. Headquarters of NASA are in Washington, D.C.

NASA’s mission is to pioneer the future in space exploration, scientific discovery and aeronautics research. To do that, thousands of people have been working around the world and in space for more than 50 years, trying to answer some basic questions. What’s out there in space? How do we get there? What will we find? What can we learn there – or learn just by trying to get there – that will make life better here on Earth?

Our work is diverse: proving flight technologies; creating capabilities for sustainable human and robotic exploration; exploring Earth, the solar system and the universe beyond; developing critical enabling technologies such as the Orion space capsule; and conducting science in orbit aboard the International Space Station. With NASA you can share exploration of the universe and discoveries of our home planet, Earth

The organization is composed of four mission directorates: Aeronautics Research, for the development of advanced aviation technologies; Science, dealing with programs for understanding the origin, structure, and evolution of the universe, the solar system, and Earth; Space Technology, for the development of space science and exploration technologies; and Human Exploration and Operations, concerning the management of manned space missions, including those to the International Space Station, as well as operations related to launch services, space transportation, and space communications for both manned and robotic exploration programs.

NASA Headquarters in Washington, D.C., houses the higher-ups responsible for charting the space agency's course and implementing its vision. For the record, that vision is: "To reach for new heights and reveal the unknown so that what we do and learn will benefit all humankind."

NASA HQ is located at Two Independence Square, a building in a complex at 300 E Street SW in the nation's capital. It oversees activities conducted at the agency's 10 field centers and a variety of installations scattered around the country.

Headquarters is divided into four main organizations, which the agency calls mission directorates. These directorates are Aeronautics, Human Exploration and Operations, Science, and Space Technology.

Aeronautics

NASA isn't just about spaceflight and space science, as its full name — the National Aeronautics and Space Administration — makes clear. In fact, the precursor to the agency was the National Advisory Committee for Aeronautics (NACA), which formed in 1915.

The Aeronautics Mission Directorate works to make air travel smoother and safer. The directorate has three main goals, according to its website: 1) Improve gate-to-gate mobility in the nation's commercial air transportation system; 2) Reduce aircraft noise, emissions and fuel use, as well as the overall environmental impact on communities surrounding airports; and 3) Maintain or improve aircraft safety.

In 2016, NASA launched New Aviation Horizons. The new initiative emphasizes X-planes, a series of experimental aircraft to test the latest ideas related to flight. 

Aeronautics research takes place at four of NASA's 10 centers: Ames Research Center in Moffett Field, Calif.; Dryden Flight Research Center at Edwards Air Force Base in California; Glenn Research Center in Cleveland, Ohio; and Langley Research Center in Hampton, Va.

The Aeronautics Mission Directorate received $660 million in the White House's budget request for fiscal year 2017.

Of President Trump's proposed 2018 budget, NASA's acting administrator Robert Lightfoot said in a statement, "This budget also keeps aeronautics on stable footing allowing us to continue our forward movement in many areas, including the New Aviation Horizons initiative."

Human Exploration and Operations

This directorate manages NASA's human spaceflight operations in low-Earth orbit and beyond. Much of the work is connected with the $100 billion International Space Station, which has hosted astronauts continuously since 2000.
Human Exploration and Operations (HEO) also manages the space agency's efforts to nurture the emerging American private spaceflight industry, which NASA wants to fill the crew- and cargo-carrying shoes of the retired space shuttle fleet. That includes the Commercial Crew and Cargo Program Office (C3PO), with the program goal to "extend human presence in space by enabling an expanding and robust U.S. commercial space transportation industry."

Despite hopes that at least two American commercial spaceships would be ready to ferry astronauts to and from the space station by 2017, the date has been pushed back due to safety concerns. The agency has also inked deals with two companies — California-based SpaceX and Virginia-based Orbital Sciences Corp. — to make supply runs to the orbiting lab with unmanned craft.

But NASA is also working to get people to Mars and other deep-space destinations. To make this happen, the agency is building a huge rocket called the Space Launch System and a capsule known as Orion. However, in a propulsion meeting of the American Institute for Aeronautics and Astronautics in July 2017, Bill Gerstenmaier, head of HEO, responded to a question about when NASA will send humans to the surface of Mars by saying, "I can't put a date on humans on Mars, and the reason really is … the other piece is, at the budget levels we described, this roughly 2 percent increase … we don't have the surface systems available for Mars. And that entry, descent and landing is a huge challenge for us for Mars."

The HEO directorate is relatively new, having been created in August 2011. It combines two previous directorates, which were known as Space Operations and Exploration Systems.

HEO received $4.3 billion for exploration and $4.9 billion for space operations in 2017.

NASA field centers that are key to the goals and activities of this directorate include Kennedy Space Center in Florida, Stennis Space Center in Mississippi, Houston's Johnson Space Center and Marshall Space Flight Center in Alabama.

Science

The Science Mission Directorate manages NASA's many scientific and unmanned exploration activities, which the space agency breaks into four main areas: Earth science, planetary science, heliophysics and astrophysics.

The directorate's cosmic reach is thus vast, spanning missions that study Earth from space to unmanned efforts that explore other worlds such as Mars and Jupiter to space telescopes that peer to the very edge of the observable universe.

For example, Science oversees the $2.5 billion Mars Science Laboratory mission, which dropped the 1-ton Curiosity rover onto the Red Planet's surface on Aug. 5, 2012. And it's responsible for the $8.8 billion James Webb Space Telescope, the successor to the Hubble Space Telescope that's slated for a 2019 launch.

The Science Mission Directorate is receiving $5.7 billion in the enacted 2017 federal budget. (The allocations to NASA's directorates don't add up to the agency's total budget of $19.7 billion because some money goes to construction, field center management and education efforts, among other things.)

Under Trump's 2018 proposal, the budget for planetary science would increase, but the budget for Earth science would decrease. Of that budget, Lightfoot said, "Overall science funding is stable, although some missions in development will not go forward and others will see increases. We remain committed to studying our home planet and the universe, but are reshaping our focus within the resources available to us — a budget not far from where we have been in recent years, and which enables our wide-ranging science work on many fronts."

NASA's Jet Propulsion Laboratory in Pasadena, Calif., has managed many of the space agency's robotic exploration missions over the years. Several other NASA field centers play a large role in the Science Mission Directorate's activities, including Ames and Goddard Space Flight Center in Greenbelt, Md. 

Space Technology

The Space Technology Mission Directorate concentrates on developing the technologies NASA needs for its ongoing and future missions — for example, efficient solar-electric propulsion systems that agency officials say will be crucial to crewed Mars efforts down the road.

Such work is not restricted to NASA research centers; technology development commonly occurs via partnerships with government agencies in the United States and abroad, as well as with academia and private industry.

Space Technology is getting $686.5 million in 2017 — about 3.5 percent of NASA's total budget for the year.

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