With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: NASA has led most US space exploration efforts since the 1950s.
text_B: The National Aeronautics and Space Administration -LRB- NASA -LSB- ˈnæsə -RSB- -RRB- is an independent agency of the executive branch of the United States federal government responsible for the civilian space program , as well as aeronautics and aerospace research .. independent agency. independent agencies of the United States government. executive branch. Federal government of the United States. United States. United States. federal government. federal government of the United States. space program. list of space agencies. aeronautics. aeronautics. aerospace. aerospace. President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian -LRB- rather than military -RRB- orientation encouraging peaceful applications in space science .. President. President of the United States. Dwight D. Eisenhower. Dwight D. Eisenhower. space science. space science. The National Aeronautics and Space Act was passed on July 29 , 1958 , disestablishing NASA 's predecessor , the National Advisory Committee for Aeronautics -LRB- NACA -RRB- .. NACA. National Advisory Committee for Aeronautics. National Aeronautics and Space Act. National Aeronautics and Space Act. National Advisory Committee for Aeronautics. National Advisory Committee for Aeronautics. The new agency became operational on October 1 , 1958 .. Since that time , most US space exploration efforts have been led by NASA , including the Apollo Moon landing missions , the Skylab space station , and later the Space Shuttle .. space exploration. space exploration. Apollo. Apollo program. Moon landing. Moon landing. Skylab. Skylab. Space Shuttle. Space Shuttle. Currently , NASA is supporting the International Space Station and is overseeing the development of the Orion Multi-Purpose Crew Vehicle , the Space Launch System and Commercial Crew vehicles .. International Space Station. International Space Station. Orion Multi-Purpose Crew Vehicle. Orion ( spacecraft ). Space Launch System. Space Launch System. Commercial Crew. Commercial Crew Development. The agency is also responsible for the Launch Services Program -LRB- LSP -RRB- which provides oversight of launch operations and countdown management for unmanned NASA launches .. Launch Services Program. Launch Services Program. 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 spacecraft missions such as New Horizons , and researching astrophysics topics , such as the Big Bang , through the Great Observatories and associated programs .. Earth Observing System. Earth Observing System. heliophysics. heliophysics. Solar System. Solar System. robotic spacecraft. robotic spacecraft. New Horizons. New Horizons. astrophysics. astrophysics. Big Bang. Big Bang. Great Observatories. Great Observatories program. NASA shares data with various national and international organizations such as from the Greenhouse Gases Observing Satellite .. Greenhouse Gases Observing Satellite. Greenhouse Gases Observing Satellite. Since 2011 , NASA has been criticized for low cost efficiency , achieving little results in return for high development costs .
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