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Apollo 15 (July 26 – August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first J mission , with a longer stay on the Moon and a greater focus on science than earlier landings.
2 Last day in lunar orbit and TEI. 3 Day 11 and EVA. 4 Day 12. 5 Reentry. 6 Media. 7 References. ... Apollo 15 spent one more day in lunar orbit, continuing Worden's ...
Apollo 15 lunar surface operations were conducted from July 30 to August 2, 1971, ... The last task of the day was to set up the flag of the United States.
The second day of Apollo 15 centered around the second planned midcourse correction and a preliminary check of the lunar module, Falcon. Mission Control first got the crew to perform a 0.7 second burn of the SPS engine before the planned second course correction. This was designed to isolate the location of the short in the Delta-V Thrust switch.
Apollo 15: July 26, 1971, 13:34 GMT Launch Complex 39A. David Scott Alfred Worden James Irwin: Saturn V (SA-510) Endeavour: Falcon: 12 d 07 h 11 m 53 s Landing at Hadley–Apennine. First extended LM, three-day lunar stay. First use of Lunar Roving Vehicle. Conducted three lunar surface EVAs and one deep space EVA on return to retrieve orbital ...
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The Apollo 15 postal covers incident, a 1972 NASA scandal, involved the astronauts of Apollo 15, who carried about 400 unauthorized postal covers into space and to the Moon's surface on the Lunar Module Falcon. Some of the envelopes were sold at high prices by West German stamp dealer Hermann Sieger, and are known as "Sieger covers".
Valery Bykovsky flew solo for 4 days, 23 hours in Vostok 5 from 14 to 19 June 1963. [38] The flight set a space endurance record which was broken in 1965 by the (non-solo) Gemini 5 flight. The Apollo program included long solo spaceflight, and during the Apollo 16 mission, Ken Mattingly orbited solo around the Moon for more than 3 days and 9 hours.