STS-58 was a 1993 shuttle mission dedicated to life sciences research. Columbia's crew performed a series of experiments to gain knowledge on how the human body adapts to the weightless environment of space. Experiments focused on cardiovascular, regulatory, DNA, neurovestibular and musculoskeletal systems of the body. The experiments performed on Columbia's crew and on laboratory animals (48 rats held in 24 cages), along with data collected on the SLS-1 mission (STS-40) in June 1991, will provide the most detailed and interrelated physiological measurements acquired in the space environment since the Skylab program in 1973 and 1974.[2]
Crew members conducted experiments aimed at understanding bone tissue loss and the effects of microgravity on sensory perception. Two neurovestibular experiments investigating space motion sickness and perception changes were performed on the 2nd day as well. Astronauts Lucid and Fettman wore a headset, called an Accelerometer Recording Unit (ARU), designed to continually record head movements throughout the day.[2]
Only one minor issue came up on 19 October 1993 associated with a circuit breaker that tripped, cutting off power temporarily to one of the rodent cages in the module. Flight controllers in Houston reported it was not caused by a short in the electrical system and the breaker was reset, restoring power to the cage.[2]
McArthur and Blaha began using the Lower Body Negative Pressure device on flight day 3 (FD 3), which is being tested as a countermeasure for the detrimental effects of microgravity. All three flight crew members will collect urine and saliva samples and keep logs of their exercise and food and fluid intake as part of the Energy Utilization detailed supplementary objective. DSO 612 looks at the nutritial and energy requirements of crew members on long-duration space flights and the relationship between fluid and food consumption.[2]
On 20 October 1993, though the space toilet is working fine, the crew detected a slight leak around the filter door before going to bed. They removed the filter and cleaned up about a teaspoon of water — much less than had been expected. As a precaution, a secondary fan separator unit was used to separate fluid from the air before cycling the air back into the cabin through the filter.[2]
On 22 October 1993, using the on-board ham radio called SAREX-2 for Shuttle Amateur Radio Experiment, Blaha and Searfoss contacted school children at the Sycamore Middle School in Pleasant View, Tennessee, Gardendale Elementary in Pasadena, Texas and Naparima College in the Caribbean nation known as Trinidad and Tobago on 4 November 1993. The Standard Interface Rack (SIR), was tested by Searfoss to demonstrate that equipment can be removed from one rack location and reintegrated into another by a single crew member during orbital operations while maintaining reliable mechanical, data and power interfaces.[2]
Another test flying aboard Columbia was the "Portable In-flight Landing Operations Trainer" (PILOT), a laptop computer simulator that was flown to qualify its use as a tool for helping the mission commander and pilot maintain their proficiency for approach and landing during longer duration Space Shuttle flights.[3] The laptop was controlled using a joy stick hand controller similar to the one used to fly the orbiter in the final minutes before landing. The simulator would continue to see use up to and including the final Shuttle flight (STS-135).[4]
On 23 October 1993, the payload crew members were scheduled to devote much of their time to metabolic studies of the 48 rodents on board the Spacelab science workshop. Payload commander Rhea Seddon, and crewmates David Wolf, Shannon Lucid and veterinarian Marty Fettman were scheduled to draw blood from the tails of some of the rodents, then inject a special isotope into the rodents to measure the volume of their plasma. Another blood draw would follow, to measure how weightlessness may be affecting the red blood cell count of the animals.[2]
After several ham radio contacts around the country and work in a vacuum bag designed to ease the body's readaptation to Earth's environment, the orbiter crew made up of Commander John Blaha, Pilot Richard Searfoss and Mission specialist William McArthur oversaw a short firing of one of the orbital maneuvering systemengines to drop the low end of Columbia's orbit from 278×263km (173×163mi) to increase the landing opportunities should the mission be extended for weather or a system problem that would keep the crew in orbit two extra days.[2]
On 27 October 1993, Pilot Rick Searfoss put Columbia through some maneuvers as part of the Orbital Acceleration Research Experiment (OARE). The main goal of the experiment was to accurately measure the aerodynamic forces that act on the shuttle in orbit and during the early stages of entry. The information will be useful to scientists and engineers planning future Spacelab microgravity research flights in which experiments will need a quiet, motion-free environment to produce the best possible data. On 28 October 1993, after enjoying a half a day off, the astronauts aboard Columbia continued to collect scientific data on how humans and animals adapt to the absence of Earth's gravity.[2]
Payload commander Rhea Seddon sent down a special message to her husband, Astronaut Office Chief Robert L. Gibson when she surpassed his total of 632 hours, 56 minutes in space. "He's still a really good guy, I still love him a lot, but I've got more hours in space than he does, so there!" she teased. Seddon acknowledged, however, that he has more launches and landings, having flown four times to her three.[2]
Pilot Rick Searfoss took time out from snapping some infrared photography of the wildfires burning in southern California to say that the crew's thoughts are with the firefighters working to quell the flames and the residents whose homes are being threatened. He said he hoped the fires would be brought under control soon, and added that the photographs he was taking will be among some 4,000 frames that will be returned to Earth for meteorologists, geologists, ecologists and archeologists to study after the flight.[2]
STS-7 was NASA's seventh Space Shuttle mission, and the second mission for the Space Shuttle Challenger. During the mission, Challenger deployed several satellites into orbit. The shuttle launched from Kennedy Space Center on June 18, 1983, and landed at Edwards Air Force Base on June 24, 1983. STS-7 carried Sally Ride, America's first female astronaut.
John Howard Casper is a former American astronaut and retired United States Air Force pilot.
Marsha Sue Ivins is an American retired astronaut and a veteran of five Space Shuttle missions.
STS-40, the eleventh launch of Space Shuttle Columbia, was a nine-day mission in June 1991. It carried the Spacelab module for Spacelab Life Sciences 1 (SLS-1), the fifth Spacelab mission and the first dedicated solely to biology. STS-40 was the first spaceflight that included three women crew members.
Shannon Wells Lucid is an American biochemist and retired NASA astronaut. At one time, she held the record for the longest duration stay in space by an American and by a woman. She has flown in space five times including a prolonged mission aboard the Russian Mir space station in 1996, and is the only American woman to have served aboard Mir. She was awarded the Congressional Space Medal of Honor in December 1996, making her the tenth person and first woman to be accorded that honor.
Richard Noel "Dick" Richards, , is a retired American naval officer and aviator, test pilot, chemical engineer, and a former NASA astronaut. He flew aboard four Space Shuttle missions in the 1980s and 1990s.
STS-76 was NASA's 76th Space Shuttle mission, and the 16th mission for Atlantis. STS-76 launched on 22 March 1996 at 08:13:04 UTC from Kennedy Space Center, launch pad 39B. STS-76 lasted over 9 days, traveled about 6,100,000 km (3,800,000 mi) while orbiting Earth an estimated 145 times, and landing at 13:28:57 UTC on 31 March 1996 at Edwards Air Force Base, runway 22.
STS-78 was the fifth dedicated Life and Microgravity Spacelab mission for the Space Shuttle program, flown partly in preparation for the International Space Station project. The mission used the Space Shuttle Columbia, which lifted off successfully from Kennedy Space Center's Launch Pad 39B on 20 June 1996. This marked the 78th flight of the Space Shuttle and 20th mission for Columbia.
STS-79 was the 17th flight of Space Shuttle Atlantis, and the 79th mission of the Space Shuttle program. The flight saw Atlantis dock with the Russian space station Mir to deliver equipment, supplies and relief personnel. A variety of scientific experiments were also conducted aboard Atlantis by her crew. It was the first shuttle mission to rendezvous with a fully assembled Mir, and the fourth rendezvous of a shuttle to the space station.
Andrew Michael "Andy" Allen is a retired American astronaut. A former Marine aviator and lieutenant colonel, he worked as a test pilot before joining NASA in 1987. He flew three Space Shuttle missions before retiring in 1997.
STS-95 was a Space Shuttle mission launched from Kennedy Space Center, Florida on 29 October 1998, using the orbiter Discovery. It was the 25th flight of Discovery and the 92nd mission flown since the start of the Space Shuttle program in April 1981. It was a highly publicized mission due to former Project Mercury astronaut and United States Senator John H. Glenn Jr.'s return to space for his second space flight. At age 77, Glenn became the oldest person to go into space, a record that remained unbroken for 23 years until 82-year-old Wally Funk flew on a suborbital flight on Blue Origin NS-16, launching on 20 July 2021, which in turn was broken by William Shatner at age 90 on 13 October 2021. Glenn, however, remains the oldest person to reach Earth orbit. This mission is also noted for inaugurating ATSC HDTV broadcasting in the U.S., with live coast-to-coast coverage of the launch. In another first, Pedro Duque became the first Spaniard in space.
Margaret Rhea Seddon is an American surgeon and retired NASA astronaut. After being selected as part of the first group of astronauts to include women in 1978, she flew on three Space Shuttle flights: as mission specialist on STS-51-D and STS-40, and as payload commander for STS-58, accumulating over 722 hours in space. On these flights, she built repair tools for a US Navy satellite and performed medical experiments.
John Elmer Blaha is a retired United States Air Force colonel and a former NASA astronaut. He is a veteran of five space missions aboard the Space Shuttle and Mir.
Bonnie Jeanne Dunbar is an American engineer and retired NASA astronaut. She flew on five Space Shuttle missions between 1985 and 1998, including two dockings with the Mir space station. Since leaving NASA, she has worked in museums and STEM leadership, and as a professor of aerospace engineering.
Charles Donald "Sam" Gemar is an American former astronaut with NASA and a lieutenant colonel in the United States Army. Gemar has flown on three Space Shuttle missions. Gemar has completed 385 orbits of the Earth and over 581 hours in space. He has also served in different positions in NASA, including as a CAPCOM for Shuttle missions. Gemar was the first astronaut to be born in the state of South Dakota.
Ronald John Grabe, , is a former NASA astronaut.
Kevin Richard Kregel is an American former astronaut, and former member of the Space Launch Initiative Project at the Lyndon B. Johnson Space Center.
Richard Alan Searfoss was an American aviator who was United States Air Force colonel, NASA astronaut and test pilot.
A payload specialist (PS) was an individual selected and trained by commercial or research organizations for flights of a specific payload on a NASA Space Shuttle mission. People assigned as payload specialists included individuals selected by the research community, a company or consortium flying a commercial payload aboard the spacecraft, and non-NASA astronauts designated by international partners.
NASA Astronaut Group 10 was a group of 17 astronauts that were announced on May 23, 1984 and consisted of seven pilots and ten mission specialists. Although selected in 1984, no member of the group would fly until 1988 due to the Challenger disaster and the resulting grounding of the Space Shuttle fleet.
↑ William T. Overton - NASA-JSC (21 June 1994). "What is PILOT?". University of Texas - NASA. Retrieved 13 February 2022. This article incorporates text from this source, which is in the public domain.
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