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NASA John H. Glenn Research Center at Lewis Field
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Aerial View of Glenn Research Center at Lewis Field - GPN-2000-002008.jpg
Aerial view of Glenn Research Center at Lewis Field
Agency overview
Formed1942
Preceding agencies
  • Aircraft Engine Research Laboratory
  • NASA Lewis Research Center
JurisdictionFederal government of the United States
HeadquartersBrook Park, Ohio, U.S.
41°24′46″N 81°51′45″W / 41.412843°N 81.862399°W / 41.412843; -81.862399Coordinates: 41°24′46″N 81°51′45″W / 41.412843°N 81.862399°W / 41.412843; -81.862399
Agency executive
  • James A. Kenyon (Acting), director
Parent agencyNASA
Child agency
  • Neil A. Armstrong Test Facility
Websitewww.nasa.gov/glenn

NASA John H. Glenn Research Center at Lewis Field is a NASA center within the cities of Brook Park and Cleveland between Cleveland Hopkins International Airport and the Rocky River Reservation of Cleveland Metroparks, with a subsidiary facility in Sandusky, Ohio. Its acting director is James A. Kenyon. Glenn Research Center is one of ten major NASA facilities, whose primary mission is to develop science and technology for use in aeronautics and space. As of May 2012, it employed about 1,650 civil servants and 1,850 support contractors on or near its site.

In 2010, the formerly on-site NASA Visitors Center moved to the Great Lakes Science Center in the North Coast Harbor area of downtown Cleveland.

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NASA

NASA

The National Aeronautics and Space Administration is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research.

Brook Park, Ohio

Brook Park, Ohio

Brook Park is a city in Cuyahoga County, Ohio, United States and a suburb of Cleveland. As of the 2020 Census, the city population was 18,595.

Cleveland

Cleveland

Cleveland, officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in Northeast Ohio along the southern shore of Lake Erie, it is situated across the U.S. maritime border with Canada and lies approximately 60 miles (97 km) west of Pennsylvania.

Cleveland Hopkins International Airport

Cleveland Hopkins International Airport

Cleveland Hopkins International Airport is an international airport in Cleveland, Ohio, United States. It is the primary airport serving Greater Cleveland and Northeast Ohio, the largest and busiest airport in the state, and the 43rd busiest airport in the U.S. by passenger numbers. Located in Cleveland's Hopkins neighborhood 9 miles (14 km) southwest of Downtown Cleveland, it is adjacent to the Glenn Research Center, one of NASA's ten major field centers.

Cleveland Metroparks

Cleveland Metroparks

Cleveland Metroparks is an extensive system of nature preserves in Greater Cleveland, Ohio. Eighteen reservations, which largely encircle the city of Cleveland, follow along the shore of Lake Erie and the rivers and creeks that flow through the region. Referred to unofficially as the 'Emerald Necklace', the network of parks spans over 24,000 acres (9,700 ha) and includes over 300 miles (480 km) of walking, bicycle, and horse trails as well as numerous picnic areas, nature education centers, golf courses, and countless fishing spots. In addition, the district includes the zoo in Cleveland. Four of the reservations are adjacent to Cuyahoga Valley National Park.

Sandusky, Ohio

Sandusky, Ohio

Sandusky is a city in and the county seat of Erie County, Ohio, United States. Situated along the shores of Lake Erie in the northern part of the state, Sandusky is located roughly midway between Toledo and Cleveland. According to 2020 census, the city had a population of 25,095, and the Sandusky micropolitan area had 75,622 residents.

NASA facilities

NASA facilities

There are NASA facilities across the United States and around the world. NASA Headquarters in Washington, DC provides overall guidance and political leadership to the agency. There are 10 NASA field centers, which provide leadership for and execution of NASA's work. All other facilities fall under the leadership of at least one of these field centers. Some facilities serve more than one application for historic or administrative reasons. NASA has used or supported various observatories and telescopes, and an example of this is the NASA Infrared Telescope Facility. In 2013 a NASA Office of the Inspector General's (OIG) Report recommended a Base Realignment and Closure Commission (BRAC) style organization to consolidate NASA's little used facilities. The OIG determined at least 33 of NASA's 155 facilities were underutilized.

Great Lakes Science Center

Great Lakes Science Center

The Great Lakes Science Center is a museum and educational facility in downtown Cleveland, Ohio, United States. Many of the exhibits document the features of the natural environment in the Great Lakes region of the United States. The facility includes signature (permanent) and traveling exhibits, meeting space, a cafe, and an IMAX Dome theater.

North Coast Harbor

North Coast Harbor

North Coast Harbor is a district in downtown Cleveland, Ohio, United States, on the shore of Lake Erie. The district serves as the home of the Great Lakes Science Center, the Rock and Roll Hall of Fame and Museum, FirstEnergy Stadium, the Steamship William G. Mather Maritime Museum, USS Cod, Burke Lakefront Airport, Voinovich Bicentennial Park, and the Cleveland-Cuyahoga County Port Authority. It is served by the West 3rd and North Coast stations on RTA's light rail Waterfront Line.

Downtown Cleveland

Downtown Cleveland

Downtown Cleveland is the central business district of Cleveland, Ohio. The economic and symbolic center of the city and the Cleveland-Akron-Canton, OH Combined Statistical Area, it is Cleveland's oldest district, with its Public Square laid out by city founder General Moses Cleaveland in 1796.

History

The drafting room at the Aircraft Engine Research Laboratory in 1942.
The drafting room at the Aircraft Engine Research Laboratory in 1942.

The installation was established in 1942 as part of the National Advisory Committee for Aeronautics (NACA) and was later incorporated into the National Aeronautics and Space Administration as a laboratory for aircraft engine research.

It was first named the Aircraft Engine Research Laboratory after funding was approved in June 1940. It was renamed the Flight Propulsion Research Laboratory in 1947, the Lewis Flight Propulsion Laboratory (LFPL) in 1948 (after George W. Lewis, the head of NACA from 1919 to 1947), and the NASA Lewis Research Center in 1958.

On March 1, 1999, the center was officially renamed the NASA John H. Glenn Research Center at Lewis Field, in honor of John Glenn, who was a fighter pilot, astronaut (the first American to orbit the Earth) and a politician.

As early as 1951, researchers at the LFPL were studying the combustion processes in liquid rocket engines.[1]

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Facilities

Neil A. Armstrong Test Facility

GRC Armstrong Spacecraft Propulsion Facility (B-2)
GRC Armstrong Spacecraft Propulsion Facility (B-2)

The 6,400-acre (2,600 ha) NASA John H. Glenn Research Center at the Neil A. Armstrong Test Facility or just Neil A. Armstrong Test Facility, formerly the NASA John H. Glenn Research Center at Plum Brook Station or just Plum Brook Station, in southern Erie County, Ohio, near Sandusky, is also part of Glenn (41°20′59.4″N 82°39′01.8″W / 41.349833°N 82.650500°W / 41.349833; -82.650500).[2] It is located about 50 miles (80 km) from the main campus. It specializes in very large scale tests that would be hazardous on the main campus.[3]

As of 2015, the station consisted of five major facilities:[4]

  • B-2 Spacecraft Propulsion Research Facility
  • Combined Effects Chamber: never used and unusable
  • Cryogenic Components Laboratory: slated for demolition
  • Hypersonic Test Facility
  • Space Power Facility

The Plum Brook Reactor was decontaminated and decommissioned under a 2008 cost-plus-fee contract valued at more than $33.5 million.[5]

In 2019 the U.S. senators from Ohio, Rob Portman and Sherrod Brown, proposed to rename Plum Brook Station after Neil Armstrong.[6] The legislation[7] was signed into law on December 30, 2020, and Plum Brook Station was renamed the Neil A. Armstrong Test Facility.[8][2]

B-2 Spacecraft Propulsion Research Facility

The B-2 Spacecraft Propulsion Research Facility is the world's only facility capable of testing full-scale, upper-stage launch vehicles and rocket engines under simulated high-altitude conditions. The Space Power Facility houses the world's largest space environment vacuum chamber.[9]

Icing Research Tunnel

The icing Research Tunnel is a wind tunnel capable of simulating atmospheric icing condition to test the effect of ice accretion on aircraft wings and body as well as to test anti-icing systems for aircraft.

Zero Gravity Research Facility

The Zero Gravity Research Facility is a vertical vacuum chamber used for dropping experiment payloads for testing in microgravity. It was designated a National Historic Landmark in 1985. The facility uses vertical drop tests in a vacuum chamber to investigate the behavior of components, systems, liquids, gases, and combustion in such circumstances.

The facility consists of a concrete-lined shaft, 28 feet (8.5 m) in diameter, that extends 510 feet (160 m) below ground level. An aluminum vacuum chamber, 20 feet (6.1 m) in diameter and 470 feet (140 m) high, is contained within the concrete shaft. The pressure in this vacuum chamber is reduced to 13.3 newtons per square meter (1.3×10−4atm) before use.

After the closing of the Japan Microgravity Centre (JAMIC), the NASA Zero-G facility is the largest microgravity facility in the world.

Another, smaller drop tower remains in use with a free fall time of 2.2 seconds. The smaller tower has a significantly reduced cost per drop and the Dropping In Microgravity Environment (DIME) educational program is conducted there.

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Erie County, Ohio

Erie County, Ohio

Erie County is a county located in the northern portion of the U.S. state of Ohio. As of the 2020 census, the population was 75,622. Its county seat and largest city is Sandusky. The county is named for the Erie tribe, whose name was their word for "wildcat". It was formed in 1838 from the northern third of Huron County and a portion of Sandusky County.

Sandusky, Ohio

Sandusky, Ohio

Sandusky is a city in and the county seat of Erie County, Ohio, United States. Situated along the shores of Lake Erie in the northern part of the state, Sandusky is located roughly midway between Toledo and Cleveland. According to 2020 census, the city had a population of 25,095, and the Sandusky micropolitan area had 75,622 residents.

Plum Brook Reactor

Plum Brook Reactor

The Plum Brook Reactor was a NASA 60 megawatt water-cooled and moderated research nuclear reactor, located in Sandusky, Ohio, 50 mi west of the NASA Glenn Research Center in Cleveland, of which it was organizationally a part.

Rob Portman

Rob Portman

Robert Jones Portman is an American attorney and politician who served as a United States senator from Ohio from 2011 to 2023. A member of the Republican Party, Portman was the 35th director of the Office of Management and Budget (OMB) from 2006 to 2007, the 14th United States trade representative from 2005 to 2006, and a U.S. representative from 1993 to 2005, representing Ohio's 2nd district.

Sherrod Brown

Sherrod Brown

Sherrod Campbell Brown is an American politician serving as the senior United States senator from Ohio, a seat which he has held since 2007. A member of the Democratic Party, he was the U.S. representative for Ohio's 13th congressional district from 1993 to 2007 and the 47th secretary of state of Ohio from 1983 to 1991. He started his political career in 1975 as an Ohio state representative.

Neil Armstrong

Neil Armstrong

Neil Alden Armstrong was an American astronaut and aeronautical engineer who became the first person to walk on the Moon in 1969. He was also a naval aviator, test pilot, and university professor.

Space Power Facility

Space Power Facility

Space Power Facility (SPF) is a NASA facility used to test spaceflight hardware under simulated launch and spaceflight conditions. The SPF is part of NASA's Neil A. Armstrong Test Facility, which in turn is part of the Glenn Research Center. The Neil A. Armstrong Test Facility and the SPF are located near Sandusky, Ohio.

National Historic Landmark

National Historic Landmark

A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500 (~3%) of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks.

Japan Microgravity Centre

Japan Microgravity Centre

Japan Microgravity Centre (JAMIC) is a site for microgravity experiments at a 710-metre-deep abandoned coal mine at Kamisunagawa, Hokkaido. A capsule is dropped from the top to simulate "zero gravity". Jets accelerate the capsule to counteract air resistance. At the bottom, the capsule is slowed with gradual deceleration. Cushioning exists at the bottom for emergencies.

Dropping In Microgravity Environment

Dropping In Microgravity Environment

Dropping In Microgravity Environment (DIME) is an annual contest held by NASA's Glenn Research Center. Teams of high school students, with one "faculty adviser", from anywhere in the United States or its territories can enter. The teams prepare and submit proposals for research to be performed; four teams are selected to travel to the Glenn Research Center and perform their experiments at the Zero Gravity Research Facility, in the "drop tower", a deep shaft that can be completely depressurized and thus simulate microgravity when an object is in free fall in it. A further four teams' experiments are selected and conducted by the Center staff. The teams are responsible for writing their proposals, assembly of the necessary equipment if their experiments are chosen to be performed, testing of the setups at their respective homes, and preparation and submission of reports to NASA about their results.

Spacecraft Propulsion Research Facility

Spacecraft Propulsion Research Facility

The Spacecraft Propulsion Research Facility, now known as the In-Space Propulsion Facility, is, the "world’s only facility capable of testing full-scale upper-stage launch vehicles and rocket engines under simulated high-altitude conditions." The facility, located at NASA's Plum Brook Station of the Glenn Research Center near Sandusky, Ohio, was built in 1968. Its first major use was for testing stages of the Centaur Rocket, which was used to launch some of America's most important space probes. The facility was designated a National Historic Landmark in 1985.

Rocket Engine Test Facility

Rocket Engine Test Facility

Rocket Engine Test Facility was the name of a facility at the NASA Glenn Research Center, formerly known as the Lewis Research Center, in Ohio. The purpose of the Rocket Engine Test Facility was to test full-scale liquid hydrogen rockets at thrust chamber pressures of up to 2100 psia and thrust levels to at least 20,000 pounds. Work on the design of the facility began in 1954 under the auspices of NACA's Rocket Branch of the Fuels and Combustion Research Division. It was built at a cost of $2.5 million and completed in 1957. The facility was located at the south end of the Center, adjacent to Abrams Creek 41.404°N 81.868°W. It was demolished in 2003 in order to make way for the runway expansion of the Cleveland Hopkins International Airport.

Significant developments

Aeronautics science and technology

NASA Glenn does significant research and technology development on jet engines, producing designs that reduce energy consumption, pollution, and noise. The chevrons it invented for noise reduction appear on many commercial jet engines today, including the Boeing 787 Dreamliner.

Space science and technology

The Glenn Research Center, along with its partners in industry, are credited with the following:

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Boeing 787 Dreamliner

Boeing 787 Dreamliner

The Boeing 787 Dreamliner is an American wide-body jet airliner developed and manufactured by Boeing Commercial Airplanes. After dropping its unconventional Sonic Cruiser project, Boeing announced the conventional 7E7 on January 29, 2003, which focused largely on efficiency. The program was launched on April 26, 2004, with an order for 50 aircraft from All Nippon Airways (ANA), targeting a 2008 introduction. On July 8, 2007, a prototype 787 was rolled out without major operating systems, and then the aircraft experienced multiple delays until its maiden flight on December 15, 2009. Type certification was received in August 2011 and the first 787-8 was delivered in September 2011 before entering commercial service on October 26, 2011, with ANA.

Rocket propellant

Rocket propellant

Rocket propellant is the reaction mass of a rocket. This reaction mass is ejected at the highest achievable velocity from a rocket engine to produce thrust. The energy required can either come from the propellants themselves, as with a chemical rocket, or from an external source, as with ion engines.

Wernher von Braun

Wernher von Braun

Wernher Magnus Maximilian Freiherr von Braun was a German and American aerospace engineer and space architect. He was a member of the Nazi Party and Allgemeine SS, as well as the leading figure in the development of rocket technology in Nazi Germany and later a pioneer of rocket and space technology in the United States.

Apollo program

Apollo program

The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which succeeded in preparing and landing the first humans on the Moon from 1968 to 1972. It was first conceived in 1960 during President Dwight D. Eisenhower's administration as a three-person spacecraft to follow the one-person Project Mercury, which put the first Americans in space. Apollo was later dedicated to President John F. Kennedy's national goal for the 1960s of "landing a man on the Moon and returning him safely to the Earth" in an address to Congress on May 25, 1961. It was the third US human spaceflight program to fly, preceded by the two-person Project Gemini conceived in 1961 to extend spaceflight capability in support of Apollo.

Centaur (rocket stage)

Centaur (rocket stage)

The Centaur is a family of rocket propelled upper stages produced by U.S. launch service provider United Launch Alliance, with one main active version and one version under development. The 3.05 m (10.0 ft) diameter Common Centaur/Centaur III flies as the upper stage of the Atlas V launch vehicle, and the 5.4 m (18 ft) diameter Centaur V is being developed as the upper stage of ULA's new Vulcan rocket. Centaur was the first rocket stage to use liquid hydrogen (LH2) and liquid oxygen (LOX) propellants, a high-energy combination that is ideal for upper stages but has significant handling difficulties.

Ion thruster

Ion thruster

An ion thruster, ion drive, or ion engine is a form of electric propulsion used for spacecraft propulsion. It creates thrust by accelerating ions using electricity.

Deep Space 1

Deep Space 1

Deep Space 1 (DS1) was a NASA technology demonstration spacecraft which flew by an asteroid and a comet. It was part of the New Millennium Program, dedicated to testing advanced technologies.

Space Station Freedom

Space Station Freedom

Space Station Freedom was a NASA project to construct a permanently crewed Earth-orbiting space station in the 1980s. Although approved by then-president Ronald Reagan and announced in the 1984 State of the Union address, Freedom was never constructed or completed as originally designed, and after several cutbacks, the project evolved into the International Space Station program.

International Space Station

International Space Station

The International Space Station (ISS) is the largest modular space station in low Earth orbit. The project involves five space agencies: the United States' NASA, Russia's Roscosmos, Japan's JAXA, Europe's ESA, and Canada's CSA. The ownership and use of the space station is established by intergovernmental treaties and agreements. The station serves as a microgravity and space environment research laboratory in which scientific research is conducted in astrobiology, astronomy, meteorology, physics, and other fields. The ISS is suited for testing the spacecraft systems and equipment required for possible future long-duration missions to the Moon and Mars.

Significant contributions

List of core competencies

NASA Glenn's core competencies are:[12]

  • Air-breathing propulsion
  • Communications technology and development
  • Space propulsion and cryogenic fluids management
  • Power, energy storage, and conversion
  • Materials and structures for extreme environments

Education

The Glenn Research Center is home to the Lewis' Educational and Research Collaborative Internship Program (LERCIP).[13] It provides internships for high school and college students and high school teachers. The high school program is an eight-week internship for sophomores and juniors with interests in science, technology, engineering, math, or professional administration. The college level consists of a 10-week internship and is open to college students at all levels. Only residents of the Cleveland area are eligible for high school LERCIP, but college LERCIP is open to students nationwide. Interns work closely with their NASA mentors and are involved in the daily activities of the center. They are expected to be available to work 40 hours a week for the duration of the internship. The LERCIP Teacher program is a 10-week internship for educators in STEM fields.

Other

The Dropping In Microgravity Environment is an annual contest held yearly by the center. Teams of high school students write proposals for experiments to be performed in the Drop Tower. The winners travel to the center, perform their experiments, and submit a research report to NASA.

Future

After 2004, NASA had been shifting its focus towards space exploration as mandated by the Vision for Space Exploration. Because of this, it was perceived by some that regional NASA centers like Glenn, which focus on research and technology, were becoming more and more marginalized in terms of resources and relevance.[14] However, on May 13, 2006, it was announced that NASA Glenn Research Center had secured management of the Crew Exploration Vehicle's service module, which promised to generate billions of dollars and hundreds of jobs for the center. This work secured the center's future in the near term, and signalled a shift in priority for the center from aeronautical research to space exploration, aligning itself closer with NASA's new mission.

Another change of direction created uncertainty in 2010, however, when President Obama and Congress declared the end of the Vision for Space Exploration and sought to chart a new course for human space flight and NASA. However, the 2015 budget for NASA made substantial increases to projects in which the Research Center participates, such as aeronautics research, planetary science and space technology, and some of that funding was expected to flow down to the center.[15]

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Vision for Space Exploration

Vision for Space Exploration

The Vision for Space Exploration (VSE) was a plan for space exploration announced on January 14, 2004 by President George W. Bush. It was conceived as a response to the Space Shuttle Columbia disaster, the state of human spaceflight at NASA, and as a way to regain public enthusiasm for space exploration.

Crew Exploration Vehicle

Crew Exploration Vehicle

The Crew Exploration Vehicle (CEV) was a component of the U.S. NASA Vision for Space Exploration plan. A competition was held to design a spacecraft that could carry humans to the destinations envisioned by the plan. The winning design was the Orion spacecraft.

Barack Obama

Barack Obama

Barack Hussein Obama II is an American former politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African-American president of the United States. Obama previously served as a U.S. senator from Illinois from 2005 to 2008 and as an Illinois state senator from 1997 to 2004, and previously worked as a civil rights lawyer before entering politics.

United States Congress

United States Congress

The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washington, D.C. Senators and representatives are chosen through direct election, though vacancies in the Senate may be filled by a governor's appointment. Congress has 535 voting members: 100 senators and 435 representatives. The U.S. vice president has a vote in the Senate only when senators are evenly divided. The House of Representatives has six non-voting members.

NASA Glenn Visitor Center

The Apollo Command Module of the 1973 Skylab 3 mission being moved to the Great Lakes Science Center
The Apollo Command Module of the 1973 Skylab 3 mission being moved to the Great Lakes Science Center

The Visitor Center closed in September 2009 with many displays shifted to the Great Lakes Science Center, and new ones created there. This move was done to reduce the public relations budget and to provide easier access to the general public, especially the under-served community. It was hoped that putting the displays at the much more visited science center will bring the NASA Glenn facility more public exposure.[16] In fact, this proved true: compared to the 60,000 visitors per year at its former site, the Glenn Visitor Center enjoyed 330,000 visitors in the first year at the Great Lakes Science Center. The new display area at the science center is referred to as the Glenn Visitor Center.[17]

The NASA Glenn Research Center also offers public tours of its research facilities on the first Saturday of each month. Reservations must be made in advance.

Source: "Glenn Research Center", Wikipedia, Wikimedia Foundation, (2023, February 18th), https://en.wikipedia.org/wiki/Glenn_Research_Center.

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References
  1. ^ "NACA TN-2349, Fluctuations in a spray formed by two impinging jets". National Advisory Committee for Aeronautics. Retrieved October 3, 2013.
  2. ^ a b "NASA's Neil A. Armstrong Test Facility". 17 March 2015.
  3. ^ "NASA Glenn Test Facilities". National Aeronautics and Space Administration. Archived from the original on February 26, 2008. Retrieved October 3, 2013.
  4. ^ Dan Leone (April 24, 2015). "NASA IG Scrutinizes Seldom-used Plum Brook Test Facilities". spacenews.com. Spacenews, Inc. Retrieved June 5, 2018.
  5. ^ "NASA Awards Reactor Decontamination and Decommission Contract". NASA. May 29, 2008. Retrieved June 6, 2018.
  6. ^ Sherrod Brown, Rob Portman want to rename Ohio NASA facility after Neil Armstrong Archived 2021-03-06 at the Wayback Machine Retrieved July 21, 2019
  7. ^ S. 2472 at Congress.gov
  8. ^ Portman, Rob (December 30, 2020). "Portman, Brown Announce Bipartisan Legislation to Rename NASA's Plum Brook Station Test Facility After Neil Armstrong Signed Into Law" (Press release).
  9. ^ "Plum Brook Station". NASA. Archived from the original on May 11, 2008. Retrieved October 3, 2013.
  10. ^ a b [1] Archived October 29, 2006, at the Wayback Machine
  11. ^ "Glenn Ion Propulsion Research Tames the Challenges of 21st Century Space Travel". NASA. September 27, 2013. Archived from the original on September 15, 2007. Retrieved October 3, 2013.
  12. ^ "Shaping the World of Tomorrow". nasa.gov. NASA. 15 July 2015. Retrieved December 25, 2017.
  13. ^ "USA.gov". NASA. September 29, 2013. Archived from the original on January 12, 2005. Retrieved October 3, 2013.
  14. ^ "Northeast Ohio". Cleveland.com. Archived from the original on 2013-10-04. Retrieved 2013-10-03.
  15. ^ Soder, Chuck (January 11, 2015). "Beefed-up budget is big development for NASA Glenn". Crain's Cleveland Business. Retrieved August 12, 2016.
  16. ^ "Cleveland Plain Dealer | Cleveland, Ohio Newspaper". cleveland.com. Archived from the original on 2013-06-16. Retrieved 2013-10-03.
  17. ^ "NASA Glenn visitors center offers its exhibits to Great Lakes Science Center". cleveland.com. 2009-07-15. Retrieved 2013-10-03.
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