The National Aeronautics and Space Administration (NASA), U.S. was established in 1958. The National Aeronautics and Space Administration (NASA), U.S. is a leading scientific research institute for aerospace exploration, science and technology. Earlier the National Aeronautics and Space Administration (NASA), U.S. is known as National Advisory Committee for Aeronautics (NACA) and provide valuable informations on science, new technologies and aircrafts for commercial and military use. Presently the main activities of the National Aeronautics and Space Administration (NASA), U.S. is to enhance the aeronautical science. The National Aeronautics and Space Administration (NASA), U.S. is also develop our air transportation system and promote researches on future space vehicles and satellites. NASA promotes aeronautical researches and studies to generate new space vehicles which is able to access in any atmospheric condition without any disturbances.

Centres of NASA:

The activities performed by the National Aeronautics and Space Administration (NASA), U.S. required a detail research centres which are individually engage in different researches. From the basic research to the development of aeronautical science the National Aeronautics and Space Administration (NASA), U.S. was established several science centres which have specific research topic such as Exploration systems, Space Operations, Science and Aeronautics The centers are as follows:

Dryden Flight Research Center: The center was founded in 1946. The Dryden Flight Research Center offers a vast area with clear sky and a vast dry lakebed which is appropriate for the researches of aeronautical flight and atmospheric flight operations. Ames Research Center: The Ames Research Center is located at Moffett Field in California. The Ames Research Center was established in 1939 and plays an important role for the development of aviation operations capacity, efficiency. The Ames Research Center is also offers safety and security programs for the development of national airspace system. Langley Research Center: The center mainly research on the small aircraft transportation systems. Glenn Research Center: The Glenn Research Center working on to develop air breathing propulsion technologies for supersonic, subsonic, hypersonic and general aviation.

Programs: The programs performed by the National Aeronautics and Space Administration (NASA), U.S. are as follows:

• The National Aeronautics and Space Administration (NASA), U.S. is fully engage in the researches of aeronautical science.
• Finding out new areas which are appropriate for NASA's research projects.
• Introduce new technologies, aircrafts and other air transportation system for the development of our nation's aeronautical science.

Current missions which are ongoing under National Aeronautics and Space Administration (NASA), U.S.-

• Phoenix Mars Lander
• Endeavour Ready for Launch
• Expedition 15
• Constellation and the Vision for Space Exploration

Various projects are ongoing under the National Aeronautics and Space Administration (NASA), U.S. The National Aeronautics and Space Administration (NASA), U.S. has a vast field for researches and development in the field of aeronautical science.