STS-66

2025-08-03T17:19:46Z

109.229.193.208: /* Crew seat assignments */

{{short description|1994 American crewed spaceflight}}
{{Use mdy dates|date=May 2023}}
{{More footnotes|date=January 2024}}
{{Infobox spaceflight
| name = STS-66
| names_list = [[Space Transportation System]]-66
| image = STS-66 Spas.jpg
| image_caption = ATLAS-3 in the payload bay of ''Atlantis'', while the Shuttle's Canadarm grapples CRISTA-SPAS
| insignia = Sts-66-patch.png
| insignia_caption = STS-66 mission patch
| spacecraft = {{OV|104}}
| mission_type = Research
| operator = [[NASA]]
| COSPAR_ID = 
| SATCAT = 
| orbits_completed = 174
| distance_travelled = {{convert|7330226|km|mi|sp=us}}
| mission_duration = 10 days, 22 hours, 34 minutes, 2 seconds
| launch_mass =
| landing_mass =
| payload_mass = {{convert|10544|kg}}
| launch_site = [[Kennedy Space Center|Kennedy]], [[Kennedy Space Center Launch Complex 39B|LC-39B]]
| launch_date = {{Start date text|November 3, 1994, 16:59:43.060|timezone=yes}} UTC
| landing_date = {{End date text|November 14, 1994, 15:33:45|timezone=yes}} UTC
| landing_site = [[Edwards Air Force Base|Edwards]], Runway{{nbsp}}22
| crew_size = 6
| crew_members = {{Unbulleted list|[[Donald R. McMonagle]]|[[Curtis Brown|Curtis L. Brown, Jr.]]|[[Ellen Ochoa]]|[[Joseph R. Tanner]]|[[Jean-François Clervoy]]|[[Scott E. Parazynski]]}}
| crew_photo = Sts-66_crew.jpg
| crew_photo_caption = Left to right: Clervoy, Parazynski, Brown, Tanner, McMonagle, Ochoa
| apsis = gee
| orbit_epoch =
| orbit_reference = [[geocentric orbit|Geocentric]]
| orbit_regime = [[Low Earth orbit|Low Earth]]
| orbit_periapsis = {{convert|296|km}}
| orbit_apoapsis = {{convert|310|km}}
| orbit_period = 90.6 minutes
| orbit_inclination = 57.0 degrees
| programme = [[Space Shuttle program]]
| previous_mission = [[STS-68]] (65)
| next_mission = [[STS-63]] (67)
}}
'''STS-66''' was a [[Space Shuttle program]] mission that was flown by the [[Space Shuttle]] [[Space Shuttle Atlantis|''Atlantis'']]. STS-66 launched on November 3, 1994, at 11:59:43.060 am EDT from [[Kennedy Space Center Launch Complex 39B|Launch Pad 39B]] at NASA's [[Kennedy Space Center]]. ''Atlantis'' landed at [[Edwards Air Force Base]] on November 14, 1994, at 10:33:45 am EST.

==Crew==
{{Spaceflight crew
|terminology = Astronaut
|position1 = Commander
|crew1_up = {{flagicon|USA}} [[Donald R. McMonagle]]
|flights1_up = Third and last
|position2 = Pilot
|crew2_up = {{flagicon|USA}} [[Curtis Brown|Curtis L. Brown, Jr.]]
|flights2_up = Second
|position3 = Mission Specialist 1
|crew3_up = {{flagicon|USA}} [[Ellen Ochoa]]
|flights3_up = Second
|position4 = Mission Specialist 2<br>Flight Engineer
|crew4_up = {{flagicon|USA}} [[Joseph R. Tanner]]
|flights4_up = First
|position5 = Mission Specialist 3
|crew5_up = {{flagicon|FRA}} [[Jean-François Clervoy]]
|flights5_up = First
|agency5_up = [[CNES]]
|position6 = Mission Specialist 4
|crew6_up = {{flagicon|USA}} [[Scott E. Parazynski]]
|flights6_up = First
}}

=== Crew seat assignments ===
{| class="wikitable" style="text-align:center"
! Seat<ref>{{cite web |title=STS-66 |url=http://spacefacts.de/mission/english/sts-66.htm |access-date=July 29, 2024 |website=Spacefacts}}</ref>
! Launch
! Landing
|rowspan=8| [[File:Space Shuttle seating plan.svg|150px]]<br />Seats 1–4 are on the flight deck.<br />Seats 5–7 are on the mid-deck.
|-
! 1
|colspan=2| McMonagle
|-
! 2
|colspan=2| Brown
|-
! 3
|Parazynski
|Clervoy
|-
! 4
|colspan=2| Tanner
|-
! 5
|Clervoy
|Parazynski
|-
! 6
|colspan=2| Ochoa
|-
! 7
|colspan=2 style="background-color:lightgray"| ''Unused''
|}

==Mission highlights==
[[Image:STS066 Launch.jpg|left|thumb|Launch of Space Shuttle ''Atlantis'' and the beginning of STS-66 mission.]]
The Atmospheric Laboratory for Applications and Sciences – 3 (ATLAS-03) was the primary payload aboard STS-66. It continued the series of Spacelab flights to study the energy of the sun and how it affects the Earth's climate and environment. The ATLAS-03 mission made the first detailed measurements from the Shuttle of the Northern Hemisphere's middle atmosphere in late fall. The timing of the flight, when the [[Antarctic]] [[ozone]] hole was diminishing, allowed scientists to study possible effects of the ozone hole on mid-latitudes, the way [[Antarctic]] air recovers, and how the northern atmosphere changes as the winter season approaches.

In addition to the ATLAS-03 investigations, the mission included deployment and retrieval of the Cryogenic Infrared Spectrometer Telescope for Atmosphere, or CRISTA. Mounted on the [[Shuttle Pallet Satellite]], the payload is designed to explore the variability of the atmosphere and provide measurements that will complement those obtained by the [[Upper Atmosphere Research Satellite]] launched aboard ''Discovery'' in 1991. CRISTA-SPAS is a joint U.S./German experiment.

Other payloads in ''Atlantis'''s cargo bay included the Shuttle Solar Backscatter Ultraviolet (SSBUV-7) payload and the Experiment on the Sun Complementing ATLAS (ESCAPE-II). Payloads located in the middeck include the Physiological & Anatomical Rodent Experiment (PARE/NIR-R), Protein Crystal Growth-Thermal Enclosure (PCG-TES), Protein Crystal Growth- Single Locker (PCG-STES), Space Tissue Loss/National Institute of Health (STL/NIH-C), Space Acceleration Measurement System (SAMS) and the Heat Pipe Performance-2 Experiment (HPP-2).

[[Image:STS66 Ochoa.jpg|right|thumb|Astronaut Ellen Ochoa at RMS controls on aft flight deck of the Space Shuttle ''Atlantis'']]
STS-66 further advanced comprehensive effort to collect data about sun's energy output, chemical makeup of the Earth's middle atmosphere, and how these factors affect global ozone levels. Seven instruments on the Atmospheric Laboratory for Applications and Science-3 (ATLAS-3) also flew on first two ATLAS flights. No other collection of space-based instruments provides the same extensive range of atmospheric measurements. Also considered a primary payload was the Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere-Shuttle Pallet Satellite (CRISTA-SPAS), continuing joint NASA-German Space Agency (DARA, now the [[German Aerospace Center|DLR]]) series of scientific missions. ATLAS-3 and CRISTA-SPAS considered as joint mission with single set of science objectives. During the mission the crew divided into two teams for around-the-clock research.

ATLAS-3 instruments, mounted on a Spacelab pallet in the cargo bay, included Atmospheric Trace Molecule Spectroscopy (ATMOS), which collected more data on trace gases in the atmosphere than on all three of its previous flights combined; Shuttle Solar Backscatter Ultraviolet Spectrometer (SSBUV), which took ozone measurements to calibrate ozone monitor on aging NOAA-9 satellite as well as cooperative measurements with other ATLAS-3 instruments; Active Cavity Radiometer Irradiance Monitor (ACRIM), which took extremely precise measurements of the sun's total radiation for 30 orbits as calibration reference for sister instrument on Upper Atmosphere Research Satellite (UARS) launched in 1991; Measurement of the Solar Constant (SOLCON), provided by Belgium, which also measured solar radiation but as reference point to track changes over years; Solar Spectrum Measurement ([https://archive.today/20121218095842/http://www.aerov.jussieu.fr/projet/SOLSPEC SOLSPEC]), French instrument, measured the Sun's radiation as function of wavelength; and [[Solar Ultraviolet Spectral Irradiance Monitor]] (SUSIM), which collected its highest precision solar ultraviolet radiation measurements in its 15-year lifetime. [[Millimeter Wave Atmospheric Sounder]] (MAS), collected nine hours of observations, measuring distribution of water vapor, chlorine monoxide and ozone at altitudes between 12 and 60 miles  (20 to {{convert|100|km}}), before computer malfunction halted instrument operations.

[[Image:STS66 Landing.jpg|right|thumb|''Atlantis'' lands to conclude the STS-66 mission]]
CRISTA-SPAS released from orbiter's Remote Manipulator System arm on second day of mission. Flying at distance of about 25 to 44 miles  (40 to {{convert|70|km}}) behind the Shuttle, payload collected data for more than eight days before being retrieved and returned to the cargo bay. The CRISTA instrument gathered first global information about medium and small scale disturbances in trace gases in middle [[Earth's atmosphere|atmosphere]], which could lead to better models of the atmosphere and Earth's energy balance. The second CRISTA-SPAS instrument, the Middle Atmosphere High Resolution Spectrograph Investigation (MAHRSI) measured amounts of ozone-destroying hydroxyl and nitric oxide in the middle atmosphere and lower thermosphere from 24 to 72 miles  (40 to {{convert|120|km}}). MAHRSI yielded first complete global maps of hydroxyl in atmosphere.

For retrieval of CRISTA-SPAS, a different approach method to the spacecraft was successfully tested as a prelude to the upcoming U.S. Shuttle/Russian Space Station [[Mir]] docking flights. Called R-Bar approach, it is expected to save propellant while reducing risk of contamination to Mir systems from orbiter thruster jet firings. STS-66 was the last solo shuttle flight for ''Atlantis'' for over 14 years, as her upcoming missions were dedicated to Mir, and ISS flights. ''Atlantis'' would not fly solo again until [[STS-125]] (The final [[Hubble Space Telescope]] Mission).

==See also==
{{Portal|Spaceflight}}
* [[List of human spaceflights]]
* [[List of Space Shuttle missions]]
* [[Outline of space science]]
* [[Space Shuttle]]

==References==
{{Reflist}}

==External links==
* [http://science.ksc.nasa.gov/shuttle/missions/sts-66/mission-sts-66.html NASA mission summary] {{Webarchive|url=https://web.archive.org/web/20150329042605/http://science.ksc.nasa.gov/shuttle/missions/sts-66/mission-sts-66.html |date=March 29, 2015 }}
* [http://www.nss.org/resources/library/shuttlevideos/shuttle66.htm STS-66 Video Highlights] {{Webarchive|url=https://web.archive.org/web/20140715075422/http://www.nss.org/resources/library/shuttlevideos/shuttle66.htm |date=July 15, 2014 }}
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{{Use American English|date=January 2014}}

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[[Category:Space Shuttle missions]]
[[Category:Edwards Air Force Base]]
[[Category:Spacecraft launched in 1994]]
[[Category:Spacecraft which reentered in 1994]]
[[Category:1994 in Florida]]
[[Category:1994 in California]]
[[Category:November 1994]]

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STS-66