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45 Years Ago: Space Shuttle Enterprise Completes Launch Pad Checkout
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By NASA
The Roscosmos Soyuz MS-26 spacecraft will launch from the Baikonur Cosmodrome in Kazakhstan to the International Space Station with (pictured left to right) NASA astronaut Don Pettit and Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner.Credit: Gagarin Cosmonaut Training Center NASA astronaut Don Pettit will launch aboard the Roscosmos Soyuz MS-26 spacecraft, accompanied by cosmonauts Alexey Ovchinin and Ivan Vagner, to the International Space Station where they will join the Expedition 71 crew in advancing scientific research.
Pettit, Ovchinin, and Vagner will lift off at 12:23 p.m. EDT Wednesday, Sept. 11 (9:23 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan.
Coverage will stream on NASA+, the NASA app, and the agency’s website. Learn how to stream NASA content through a variety of platforms including social media.
After a two-orbit, three-hour trajectory to the station, the spacecraft will automatically dock at 3:33 p.m. at the orbiting laboratory’s Rassvet module. Shortly after, hatches will open between the spacecraft and the station.
Once aboard, the trio will join NASA astronauts Tracy C. Dyson, Mike Barratt, Matthew Dominick, Jeanette Epps, Butch Wilmore, and Suni Williams, as well as Roscosmos cosmonauts Nikolai Chub, Alexander Grebenkin, and Oleg Kononenko.
NASA’s coverage is as follows (all times Eastern and subject to change based on real-time operations):
11:15 a.m. – Launch coverage begins on NASA+, the NASA app, YouTube, and the agency’s website.
12:23 p.m. – Launch
2:30 p.m. – Rendezvous and docking coverage begins on NASA+, the NASA app, YouTube, and the agency’s website.
3:33 p.m. – Docking
5:30 p.m. – Hatch opening and welcome remarks coverage begins on NASA+, the NASA app, YouTube, and the agency’s website.
5:50 p.m. – Hatch opening
The trio will spend approximately six months aboard the orbital laboratory as Expedition 71 and 72 crew members before returning to Earth in the spring of 2025. This will be the fourth spaceflight for Pettit and Ovchinin, and the second for Vagner.
For more than two decades, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and making research breakthroughs that are not possible on Earth. The station is a critical testbed for NASA to understand and overcome the challenges of long-duration spaceflight and to expand commercial opportunities in low Earth orbit. As commercial companies focus on providing human space transportation services and destinations as part of a robust low Earth orbit economy, NASA is focusing more resources on deep space missions to the Moon as part of Artemis in preparation for future human missions to Mars.
Learn more about International Space Station research and operations at:
https://www.nasa.gov/station
-end-
Joshua Finch / Claire O’Shea
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated Sep 06, 2024 LocationNASA Headquarters Related Terms
International Space Station (ISS) Astronauts Donald R. Pettit Humans in Space ISS Research Johnson Space Center View the full article
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By European Space Agency
Video: 00:14:09 The Copernicus Sentinel-2C satellite lifted off on 5 September at 03:50 CEST (4 September 22:50 local time) aboard the last Vega rocket, flight VV24, from Europe’s Spaceport in French Guiana.
Sentinel-2C will continue the legacy of delivering high-resolution data that are essential to Copernicus – the Earth observation component of the EU Space Programme. Developed, built and operated by ESA, the Copernicus Sentinel-2 mission provides high-resolution optical imagery for a wide range of applications including land, water and atmospheric monitoring.
Sentinel-2C was the last liftoff for the Vega rocket – after 12 years of service this was the final flight, the original Vega is being retired to make way for an upgraded Vega-C.
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By NASA
On Aug. 30, 1984, space shuttle Discovery lifted off on the STS-41D mission, joining NASA’s fleet as the third space qualified orbiter. The newest shuttle incorporated newer technologies making it significantly lighter than its two predecessors. Discovery lofted the heaviest payload up to that time in shuttle history. The six-person crew included five NASA astronauts and the first commercial payload specialist. During the six-day mission, the crew deployed a then-record three commercial satellites, tested an experimental solar array, and ran a commercial biotechnology experiment. The astronauts recorded many of the activities using a large format film camera, the scenes later incorporated into a motion picture for public engagement. The mission marked the first of Discovery’s 39 trips to space, the most of any orbiter.
Left: Space shuttle Discovery rolls out of Rockwell’s Palmdale, California, facility. Middle: Discovery atop the Shuttle Carrier Aircraft during the cross-country ferry flight. Right: Discovery arrives at NASA’s Kennedy Space Center in Florida.
Space shuttle Discovery, the third space-qualified orbiter in NASA’s fleet and named after several historical ships of exploration, incorporated manufacturing lessons learned from the first orbiters. In addition, through the use of more advanced materials, the new vehicle weighed nearly 8,000 pounds less than its sister ship Columbia and 700 pounds less than Challenger. Discovery rolled out of Rockwell International’s plant in Palmdale, California, on Oct. 16, 1983. Five of the six crew members assigned to its first flight attended the ceremony. Workers trucked Discovery overland from Palmdale to NASA’s Dryden, now Armstrong, Flight Research Center at Edwards Air Force Base (AFB), where they mounted it atop a Shuttle Carrier Aircraft (SCA), a modified Boeing 747, for the transcontinental ferry flight to NASA’s Kennedy Space Center (KSC) in Florida. Discovery arrived at KSC on Nov. 9 following a two-day stopover at Vandenberg Air Force, now Space Force Base, in California.
Left: STS-41D crew patch. Middle: Official photograph of the STS-41D crew of R. Michael “Mike” Mullane, front row left, Steven A. Hawley, Henry “Hank” W. Hartsfield, and Michael L. Coats; Charles D. Walker, back row left, and Judith A. Resnik. Right: Payloads installed in Discovery’s payload bay for the STS-41D mission include OAST-1, top, SBS-4, Telstar 3C, and Leasat-2.
To fly Discovery’s first flight, originally designated STS-12 and later renamed STS-41D, in February 1983 NASA assigned Commander Henry W. Hartsfield, a veteran of STS-4, and first-time flyers Pilot Michael L. Coats, and Mission Specialists R. Michael Mullane, Steven A. Hawley, and Judith A. Resnik, all from the 1978 class of astronauts and making their first spaceflights. In May 1983, NASA announced the addition of Charles D. Walker, an employee of the McDonnell Douglas Corporation, to the crew, flying as the first commercial payload specialist. He would operate the company’s Continuous Flow Electrophoresis System (CFES) experiment. The mission’s primary payloads included the Leasat-1 (formerly known as Syncom IV-1) commercial communications satellite and OAST-1, three experiments from NASA’s Office of Aeronautics and Space Technology, including the Solar Array Experiment, a 105-foot long lightweight deployable and retractable solar array. Following the June 1984 launch abort, NASA canceled the STS-41F mission, combining its payloads with STS-41D’s, resulting in three communications satellites – SBS-4 for Small Business Systems, Telstar 3C for AT&T, and Leasat 2 (Syncom IV-2) for the U.S. Navy – launching on the flight. The combined cargo weighed 41,184 pounds, the heaviest of the shuttle program up to that time. A large format IMAX® camera, making its second trip into space aboard the shuttle, flew in the middeck to film scenes inside the orbiter and out the windows.
Left: First rollout of Discovery from the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Right: The June 26 launch abort.
The day after its arrival at KSC, workers towed Discovery to the Orbiter Processing Facility (OPF) to begin preparing it for its first space flight. They towed it to the Vehicle Assembly Building (VAB) on May 12, 1984, for mating with its External Tank (ET) and Solid Rocket Boosters (SRBs). The completed stack rolled out to Launch Pad 39A a week later. On June 2, engineers successfully completed an 18-second Flight Readiness Firing of Discovery’s main engines. Post test inspections revealed a debonding of a thermal shield in main engine number 1’s combustion chamber, requiring its replacement at the pad. The work pushed the planned launch date back three days to June 25. The failure of the shuttle’s backup General Purpose Computer (GPC) delayed the launch by one day. The June 26 launch attempt ended just four seconds before liftoff, after two of the main engines had already ignited. The GPC detected that the third engine had not started and shut all three down. It marked the first time a human spaceflight launch experienced an abort after the start of its engines since Gemini VI in October 1965. The abort necessitated a rollback to the VAB on July 14 where workers demated Discovery from the ET and SRBs. Engineers replaced the faulty engine, and Discovery rolled back out to the launch pad on Aug. 9 for another launch attempt. The six-person crew participated in the Terminal Countdown Demonstration Test, essentially a dress rehearsal for the actual countdown to launch, on Aug. 15. A software issue delayed the first launch attempt on Aug. 29 by one day.
Left: The STS-41D crew pose at Launch Pad 39A at NASA’s Kennedy Space Center in Florida following the Terminal Countdown Demonstration Test. Right: Liftoff of Discovery on the STS-41D mission.
Finally, on Aug. 30, 1984, Discovery roared off its launch pad on a pillar of flame and within 8 and a half minutes entered orbit around the Earth. The crew got down to work and on the first day Mullane and Hawley deployed the SBS-4 satellite. On the second day in space, they deployed Leasat, the first satellite designed specifically to be launched from the shuttle. On the third day, they deployed the Telstar satellite, completing the satellite delivery objectives of the mission. Resnik deployed the OAST-1 solar array to 70% of its length to conduct dynamic tests on the structure. On the fourth day, she deployed the solar array to its full length and successfully retracted it, completing all objectives for that experiment.
The deployment of the SBS-4, left, Leasat-2, and Telstar 3C satellites during STS-41D.
Walker remained busy with the CFES, operating the unit for about 100 hours, and although the experiment experienced two unexpected shutdowns, he processed about 85% of the planned samples. Hartsfield and Coats exposed two magazines and six rolls of IMAX® film, recording OAST-1 and satellite deployments as well as in-cabin crew activities. Clips from the mission appear in the 1985 IMAX® film “The Dream is Alive.” On the mission’s fifth day, concern arose over the formation of ice on the orbiter’s waste dump nozzle. The next day, Hartsfield used the shuttle’s robotic arm to dislodge the large chunk of ice.
Left: Payload Specialist Charles D. Walker in front of the Continuous Flow Experiment System. Middle: Henry “Hank” W. Hartsfield loading film into the IMAX® camera. Right: The OAST-1 Solar Array Experiment extended from Discovery’s payload bay.
On Sep. 5, the astronauts closed Discovery’s payload bay doors in preparation for reentry. They fired the shuttle’s Orbital Maneuvering System engines to slow their velocity and begin their descent back to Earth. Hartsfield guided Discovery to a smooth landing at Edwards AFB in California, completing a flight of 6 days and 56 minutes. The crew had traveled 2.5 million miles and orbited the Earth 97 times.
Left: The STS-41D crew pose in Discovery’s middeck. Right: Space shuttle Discovery makes a perfect landing at Edwards Air Force Base in California to end the STS-41D mission.
By Sept. 10, workers had returned Discovery to KSC to prepare it for its next mission, STS-51A, in November 1984. During its lifetime, Discovery flew a fleet leading 39 missions, making its final trip to space in February 2011. It flew both return to flight missions, STS-26 in 1988 and STS-114 in 2005. It launched the Hubble Space Telescope in 1990 and flew two of the missions to service the facility. Discovery flew two mission to Mir, docking once. It completed the first docking to the International Space Station in 1999 and flew a total of 13 assembly and resupply missions to the orbiting lab. By its last mission, Discovery had traveled 149 million miles, completed 5,830 orbits of the Earth, and spent a cumulative 365 days in space in the span of 27 years. The public can view Discovery on display at the National Air and Space Museum’s Stephen F. Udvar-Hazy Center in Chantilly, Virginia.
Read recollections of the STS-41D mission by Hartsfield, Coats, Mullane, Hawley, and Walker in their oral histories with the JSC History Office. Enjoy the crew’s narration of a video about the STS-41D mission.
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By NASA
Digital content creators are invited to register to attend the launch of the Europa Clipper spacecraft, which will collect data to help scientists determine if Jupiter’s icy moon Europa could support life.
NASA and SpaceX are targeting a launch period opening Thursday, Oct. 10. The mission will launch on a SpaceX Falcon Heavy rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.
The Europa Clipper spacecraft will carry nine science instruments on board to gather detailed measurements while performing approximately 50 close flybys of the Jovian moon. Research suggests an ocean twice the volume of all the Earth’s oceans exists under Europa’s icy crust. Detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.
If your passion is to communicate and engage the world online, then this is the event for you! Seize the opportunity to see and share the Europa Clipper mission launch.
A maximum of 50 social media users will be selected to attend this two-day event and will be given access similar to news media.
NASA Social participants will have the opportunity to:
View a launch of the SpaceX Falcon Heavy rocket and Europa Clipper spacecraft Tour NASA facilities at Kennedy Space Center Meet and interact with Europa Clipper subject matter experts Meet fellow space enthusiasts who are active on social media NASA Social registration for the Europa Clipper launch opens on Tuesday, Sept. 3, and the deadline to apply is at 10 a.m. EDT on Monday, Sept. 9. All social applications will be considered on a case-by-case basis.
APPLY NOW
Do I need to have a social media account to register?
Yes. This event is designed for people who:
Actively use multiple social networking platforms and tools to disseminate information to a unique audience. Regularly produce new content that features multimedia elements. Have the potential to reach a large number of people using digital platforms, or reach a unique audience, separate and distinctive from traditional news media and/or NASA audiences. Must have an established history of posting content on social media platforms. Have previous postings that are highly visible, respected and widely recognized. Users on all social networks are encouraged to use the hashtag #NASASocial. Updates and information about the event will be shared on X via @NASASocial and @NASAKennedy, and via posts to Facebook and Instagram.
How do I register?
Registration for this event opens on Tuesday, Sept. 3, and closes at 10 a.m. EDT on Monday, Sept. 9. Registration is for one person only (you) and is non-transferable. Each individual wishing to attend must register separately. Each application will be considered on a case-by-case basis.
Can I register if I am not a U.S. citizen?
Yes, this event is open for all to apply.
When will I know if I am selected?
After registrations have been received and processed, an email with confirmation information and additional instructions will be sent to those selected. We expect to send the acceptance notifications by Sept. 30.
What are NASA Social credentials?
All social applications will be considered on a case-by-case basis. Those chosen must prove through the registration process they meet specific engagement criteria.
If you do not make the registration list for this NASA Social, you still can attend the launch offsite and participate in the conversation online. Find out about ways to experience a launch here.
What are the registration requirements?
Registration indicates your intent to travel to NASA’s Kennedy Space Center in Florida and attend the two-day event in person. You are responsible for your own expenses for travel, accommodations, food, and other amenities.
Some events and participants scheduled to appear at the event are subject to change without notice. NASA is not responsible for loss or damage incurred as a result of attending. NASA, moreover, is not responsible for loss or damage incurred if the event is cancelled with limited or no notice. Please plan accordingly.
Kennedy is a government facility. Those who are selected will need to complete an additional registration step to receive clearance to enter the secure areas.
IMPORTANT: To be admitted, you will need to provide two forms of unexpired government-issued identification; one must be a photo ID and match the name provided on the registration. Those without proper identification cannot be admitted.
For a complete list of acceptable forms of ID, please visit: NASA Credentialing Identification Requirements.
All registrants must be at least 18 years old.
What if the launch date changes?
Many different factors can cause a scheduled launch date to change multiple times. If the launch date changes, NASA may adjust the date of the NASA Social accordingly to coincide with the new target launch date. NASA will notify registrants of any changes by email.
If the launch is postponed, attendees will be invited to attend a later launch date. NASA cannot accommodate attendees for delays beyond 72 hours.
NASA Social attendees are responsible for any additional costs they incur related to any launch delay. We strongly encourage participants to make travel arrangements that are refundable and/or flexible.
What if I cannot come to the Kennedy Space Center?
If you cannot come to the Kennedy Space Center and attend in person, you should not register for the NASA Social. You can follow the conversation online using #NASASocial.
You can watch the launch on NASA+ or plus.nasa.gov. NASA will provide regular launch and mission updates on @NASA, @NASAKennedy, @NASA_LSP, @NASAJPL and @EuropaClipper as well as on NASA’s Europa Clipper Mission blog.
If you cannot make this NASA Social, don’t worry; NASA is planning many other Socials in the near future at various locations!
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By NASA
NASA’s T-38 jets fly in formation above the Space Launch System rocket on Launch Pad 39B at NASA’s Kennedy Space Center.
Aircraft designations and passengers:
901: Chris Condon / Astronaut Zena Cardman.
902: Astronaut Candidate Nicole Ayers / Astronaut Christina Koch.
903: Canadian Space Agency Astronaut Jeremy Hansen / Astronaut Drew Morgan.
904: Chief Astronaut Reid Wiseman / Astronaut Joe Acaba.
905 (Photo Chase): Astronaut Candidate Jack Hathaway / Josh Valcarcel
Image Credit: NASA/Josh Valcarcel
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