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  Simultaneous crewed spaceflights in orbit

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Author Topic:   Simultaneous crewed spaceflights in orbit
LM-12
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From: Ontario, Canada
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posted 09-27-2013 10:16 AM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
The Skylab 4 crew was in orbit when Soyuz 13 launched back in December 1973. Is that the first time astronauts and cosmonauts were in orbit at the same time?

Interestingly, the Soyuz 18 crew was onboard Salyut 4 when the Apollo-Soyuz (Soyuz 19) mission flew in 1975.

Cosmonaut Pyotr Klimuk flew on both Soyuz 13 and Soyuz 18.

Tom
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posted 09-27-2013 05:30 PM     Click Here to See the Profile for Tom   Click Here to Email Tom     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by LM-12:
Is that the first time astronauts and cosmonauts were in orbit at the same time?
Yes it was.

LM-12
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posted 09-29-2013 03:33 PM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
The joint flights of Vostok 3 and Vostok 4 launched a day apart in August 1962. It was the first time that two manned spacecraft were in orbit at the same time. Vostok 4 landed about 7 minutes after Vostok 3 on August 15.

The joint flights of Vostok 5 and Vostok 6 launched two days apart in June 1963. Vostok 6 landed a few hours before Vostok 5 on June 19.

There are interesting accounts of the Vostok flights in Encyclopedia Astronautica, including some post-flight debriefng comments by the cosmonauts.

Duke Of URL
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posted 10-10-2013 06:20 PM     Click Here to See the Profile for Duke Of URL   Click Here to Email Duke Of URL     Edit/Delete Message   Reply w/Quote
Weren't there some early 70s Soyuz flights that did crew exchanges?

Tom
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posted 10-10-2013 06:27 PM     Click Here to See the Profile for Tom   Click Here to Email Tom     Edit/Delete Message   Reply w/Quote
January 1969... Soyuz 4 and Soyuz 5 swapped two crew members from Soyuz 5 to Soyuz 4.

SkyMan1958
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posted 10-10-2013 10:14 PM     Click Here to See the Profile for SkyMan1958   Click Here to Email SkyMan1958     Edit/Delete Message   Reply w/Quote
Gemini 7 and 6 in December 1965.

LM-12
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posted 10-10-2013 10:50 PM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
Vostok 4 landed about 7 minutes after Vostok 3 back in 1962. How far apart were the touchdowns?

Blackarrow
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posted 10-11-2013 01:18 PM     Click Here to See the Profile for Blackarrow     Edit/Delete Message   Reply w/Quote
I quote from my diary for Wednesday 19th December, 1973: "Yesterday a historic event occurred. For the very first time Americans and Russians were in space at the same time. The mission of Soyuz 13, unlike Skylab 3, is obscure."

moorouge
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posted 10-11-2013 02:05 PM     Click Here to See the Profile for moorouge   Click Here to Email moorouge     Edit/Delete Message   Reply w/Quote
Very roughly Vostok 3 landed about 100 kms south of Karaganda, Vostok 4 landed some 300 kms to the south east of this town.

LM-12
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posted 10-11-2013 03:44 PM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
Thanks for that. I think all six cosmonauts ejected from their Vostok capsules prior to touchdown and landed using their own parachutes.

LM-12
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posted 10-11-2013 04:48 PM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Tom:
Soyuz 4 and Soyuz 5 swapped two crew members
A similar EVA and possible crew member swap were briefly considered for the Gemini 7 and Gemini 6A flights. Schirra and Stafford were all for the idea, but Borman was against it.

It is mentioned in NASA SP-4203 on page 276.

carmelo
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From: Messina, Sicilia, Italia
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posted 10-14-2013 10:37 AM     Click Here to See the Profile for carmelo   Click Here to Email carmelo     Edit/Delete Message   Reply w/Quote
But an EVA with Gemini 7 type of suit?

Apollo-Soyuz
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posted 10-14-2013 04:19 PM     Click Here to See the Profile for Apollo-Soyuz   Click Here to Email Apollo-Soyuz     Edit/Delete Message   Reply w/Quote
The STS-35 and Soyuz TM-11 were in orbit together in December 1990.

------------------
John Macco
Space Unit #1457

ColinBurgess
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posted 10-14-2013 04:34 PM     Click Here to See the Profile for ColinBurgess   Click Here to Email ColinBurgess     Edit/Delete Message   Reply w/Quote
Had Soyuz-1 not encountered problems on orbit which required what subsequently turned out to be a fatal return to earth, Soyuz 2 was planned to launch the following day with cosmonauts Bykovsky, Khrunov and Yeliseyev aboard. After linking up, Khrunov and Yeliseyev would have transferred to Soyuz-1 for landing along with commander Komarov. In which case the Soviet Union would almost certainly have lost three cosmonauts due to the faulty parachute system on that spacecraft, which may even have been fatally replicated in Bykovsky's Soyuz-2. The loss of Komarov was bad enough, but imagine the ramifications had they lost four cosmonauts aboard two spacecraft?

LM-12
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From: Ontario, Canada
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posted 10-14-2013 06:05 PM     Click Here to See the Profile for LM-12     Edit/Delete Message   Reply w/Quote
A pretty ambitious flight plan for the first manned Soyuz flight. Those early Soyuz missions had some major in-flight problems.

Khrunov and Yeliseyev were the two cosmonauts who completed the Soyuz 5 to Soyuz 4 EVA transfer mentioned earlier.

The Soyuz T-4 cosmonauts were onboard Salyut 6 when STS-1 launched in 1981. By my rough count, only 19 of 135 shuttle flights launched when there were no cosmonauts in orbit.

All times are CT (US)

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