With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Neil Armstrong was introduced to Richard Nixon.
text_B: Neil Alden Armstrong -LRB- August 5 , 1930 -- August 25 , 2012 -RRB- was an American astronaut and the first person to walk on the Moon .. astronaut. astronaut. first person to walk on the Moon. Apollo 11#Lunar surface operations. He was also an aerospace engineer , naval aviator , test pilot , and university professor .. test pilot. test pilot. aerospace engineer. aerospace engineering. naval aviator. United States Naval Aviator. university professor. university professor. Before becoming an astronaut , Armstrong was an officer in the U.S. Navy and served in the Korean War .. astronaut. astronaut. officer. Officer ( armed forces ). U.S. Navy. United States Navy. Korean War. Korean War. After the war , he earned his bachelor 's degree at Purdue University and served as a test pilot at the National Advisory Committee for Aeronautics -LRB- NACA -RRB- High-Speed Flight Station , where he logged over 900 flights .. test pilot. test pilot. Purdue University. Purdue University. National Advisory Committee for Aeronautics. National Advisory Committee for Aeronautics. High-Speed Flight Station. Dryden Flight Research Center. He later completed graduate studies at the University of Southern California .. University of Southern California. University of Southern California. A participant in the U.S. Air Force 's Man in Space Soonest and X-20 Dyna-Soar human spaceflight programs , Armstrong joined the NASA Astronaut Corps in 1962 .. NASA. NASA. U.S. Air Force. United States Air Force. Man in Space Soonest. Man in Space Soonest. X-20 Dyna-Soar. Boeing X-20 Dyna-Soar. human spaceflight. human spaceflight. NASA Astronaut Corps. NASA Astronaut Corps. He made his first space flight as command pilot of Gemini 8 in March 1966 , becoming NASA 's first civilian astronaut to fly in space .. NASA. NASA. astronaut. astronaut. Gemini 8. Gemini 8. He performed the first docking of two spacecraft , with pilot David Scott .. docking. Spacecraft docking and berthing mechanisms. spacecraft. spacecraft. David Scott. David Scott. This mission was aborted after Armstrong used some of his reentry control fuel to prevent a dangerous spin caused by a stuck thruster , in the first in-flight space emergency .. Armstrong 's second and last spaceflight was as commander of Apollo 11 , the first manned Moon landing mission in July 1969 .. Apollo 11. Apollo 11. Moon landing. Moon landing. Armstrong and Lunar Module pilot Buzz Aldrin descended to the lunar surface and spent two and a half hours outside the spacecraft , while Michael Collins remained in lunar orbit in the Command / Service Module .. spacecraft. spacecraft. Lunar Module. Apollo Lunar Module. Buzz Aldrin. Buzz Aldrin. Michael Collins. Michael Collins ( astronaut ). Command / Service Module. Apollo Command / Service Module. Along with Collins and Aldrin , Armstrong was awarded the Presidential Medal of Freedom by President Richard Nixon .. Presidential Medal of Freedom. Presidential Medal of Freedom. President. President of the United States. Richard Nixon. Richard Nixon. President Jimmy Carter presented Armstrong the Congressional Space Medal of Honor in 1978 .. President. President of the United States. Jimmy Carter. Jimmy Carter. Congressional Space Medal of Honor. Congressional Space Medal of Honor. Armstrong and his former crewmates received the Congressional Gold Medal in 2009 .. Congressional Gold Medal. Congressional Gold Medal. Armstrong died in Cincinnati , Ohio on August 25 , 2012 , at the age of 82 , after complications from coronary artery bypass surgery .. coronary artery bypass surgery. coronary artery bypass surgery
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