With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Apollo 11 was launched into space by a Saturn V rocket.
text_B: Apollo 11 was the spaceflight that landed the first two humans on the Moon .. spaceflight. spaceflight. landed. Moon landing. Moon. Moon. Mission commander Neil Armstrong and pilot Buzz Aldrin , both American , landed the lunar module Eagle on July 20 , 1969 , at 20 :18 UTC .. Neil Armstrong. Neil Armstrong. Armstrong. Neil Armstrong. Aldrin. Buzz Aldrin. landed. Moon landing. Buzz Aldrin. Buzz Aldrin. lunar module. Apollo Lunar Module. UTC. Coordinated Universal Time. Armstrong became the first to step onto the lunar surface six hours later on July 21 at 02 :56 :15 UTC ; Aldrin joined him about 20 minutes later .. Armstrong. Neil Armstrong. Aldrin. Buzz Aldrin. UTC. Coordinated Universal Time. They spent about two and a quarter hours together outside the spacecraft , and collected 47.5 lb of lunar material to bring back to Earth .. spacecraft. Apollo ( spacecraft ). Michael Collins piloted the command module Columbia alone in lunar orbit while they were on the Moon 's surface .. Michael Collins. Michael Collins ( astronaut ). Collins. Michael Collins ( astronaut ). Moon. Moon. command module. Apollo Command / Service Module. Armstrong and Aldrin spent just under a day on the lunar surface before rendezvousing with Columbia in lunar orbit .. Armstrong. Neil Armstrong. Aldrin. Buzz Aldrin. Apollo 11 was launched by a Saturn V rocket from Kennedy Space Center in Merritt Island , Florida , on July 16 , and was the fifth manned mission of NASA 's Apollo program .. NASA. NASA. Saturn V. Saturn V. Kennedy. Kennedy Space Center. Apollo program. Apollo program. Kennedy Space Center. Kennedy Space Center. The Apollo spacecraft had three parts  : a command module -LRB- CM -RRB- with a cabin for the three astronauts , and the only part that landed back on Earth ; a service module -LRB- SM -RRB- , which supported the command module with propulsion , electrical power , oxygen , and water ; and a lunar module -LRB- LM -RRB- that had two stages -- a lower stage for landing on the Moon , and an upper stage to place the astronauts back into lunar orbit .. landed. Moon landing. Moon. Moon. lunar module. Apollo Lunar Module. command module. Apollo Command / Service Module. spacecraft. Apollo ( spacecraft ). After being sent toward the Moon by the Saturn V 's upper stage , the astronauts separated the spacecraft from it and traveled for three days until they entered into lunar orbit .. Saturn V. Saturn V. Moon. Moon. spacecraft. Apollo ( spacecraft ). Armstrong and Aldrin then moved into the lunar module Eagle and landed in the Sea of Tranquility .. Armstrong. Neil Armstrong. Aldrin. Buzz Aldrin. landed. Moon landing. lunar module. Apollo Lunar Module. Sea of Tranquility. Mare Tranquillitatis. They stayed a total of about 21.5 hours on the lunar surface .. The astronauts used Eagle '' 's upper stage to lift off from the lunar surface and rejoin Collins in the command module .. Collins. Michael Collins ( astronaut ). command module. Apollo Command / Service Module. They jettisoned Eagle '' before they performed the maneuvers that blasted them out of lunar orbit on a trajectory back to Earth .. They returned to Earth and landed in the Pacific Ocean on July 24 .. landed. Moon landing. Broadcast on live TV to a worldwide audience , Armstrong stepped onto the lunar surface and described the event as `` one small step for -LSB- a -RSB- man , one giant leap for mankind . ''. Armstrong. Neil Armstrong. Apollo 11 effectively ended the Space Race and fulfilled a national goal proposed in 1961 by U.S. President John F. Kennedy  : `` before this decade is out , of landing a man on the Moon and returning him safely to the Earth . ''. Kennedy. Kennedy Space Center. Moon. Moon. Space Race. Space Race. U.S. President. President of the United States. John F. Kennedy. John F. Kennedy
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