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Science Launches to Space Station on NASA’s 20th Northrop Grumman Mission
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By NASA
An interesting fact about Johnson Space Center’s Anika Isaac, MS, LPC, LMFT, LCDC, CEAP, NCC, is that there are more letters following her name than there are in it.
A licensed professional counselor, marriage and family therapist, and chemical dependency counselor with several other certifications, Isaac has been a fixture of Johnson’s Employee Assistance Program for the last 13 years. She provides confidential counseling and assessment, crisis response, referrals to community providers, and debriefing and support to Johnson’s workforce. Additionally, Isaac leads assertiveness skills training for employees, provides management consults, and presents on various mental health topics by request. She also coordinates the center’s Autism Support Group, which convenes monthly to offer networking, resource sharing, and support for caregivers of those with autism.
Official portrait of Anika Isaac.NASA Isaac’s invaluable counsel earned her a Silver Snoopy Award in 2022. Presented by Johnson Director Vanessa Wyche and NASA astronaut Jessica Meir, the award recognized Isaac’s exceptional efforts to support NASA’s ability to execute the tasks necessary for safe human spaceflight. “I taught, modeled, and empowered thousands to address critical issues and topics in the workplace, directly impacting mission success and safety,” she said.
Anika Isaac (center) receives a Silver Snoopy Award from Johnson Space Center Director Vanessa Wyche (left) and NASA astronaut Jessica Meir. NASA Isaac has also proudly participated in transparent, authentic conversations about personal and socially significant questions raised by the Johnson community, by leading panel discussions during center events and more. “Having those brave and bold conversations are necessary to foster a compassionate workplace culture that we emphasize through the Johnson Expected Behaviors,” she said.
Isaac said her work experiences prior to joining NASA not only affected her personally but also shaped her professionally. “The most troublesome challenges have been dealing with colleagues whom I saw be divisive in their comments and manipulative in their actions,” she said. “I overcame those challenges with faith, time, and talking to mentors and my trusted support system for perspective and guidance.”
Isaac’s career has also taught her to trust herself and give herself some grace. “In each moment I have everything I need to be successful and keep learning when I fall short of my expectations,” she said. She has come to appreciate the value of her unique experience and skillset, as well. “In an agency with so many experts in so many disciplines, in my respective discipline my expertise is as necessary and essential to the success of NASA’s mission,” she said. “I have also learned to stay persistent with my goals, since there are enough people to help me achieve them along the way.”
Johnson’s Employee Assistance Program (EAP) received a Group Achievement Award for the team’s support of the Johnson community following Hurricane Harvey in 2017 and the Santa Fe High School shooting in 2018. From left: Vanessa Wyche, Anika Isaac, EAP Executive Director Jackie Reese, EAP Counselor Daisy Wei, and Mark Geyer, who was Johnson’s director at the time.NASA Isaac looks forward to a future of space exploration that combines the best of the commercial sector, international partnerships, and NASA’s strengths with incredible advances in artificial intelligence and other technologies to ensure crew safety while propelling humanity further into the cosmos. She also celebrates the different backgrounds and cultures of today’s astronaut corps. “We are seeing a level of diversity in the faces of space explorers that has never existed before in the history of the space program,” she said.
Isaac encourages the Artemis Generation to learn and incorporate key aspects of NASA and space exploration history into their work while building their own culture and valuing their unique perspectives. “Trust yourself! Have you not usually recovered from setbacks? Those that came before you made similar mistakes,” she said. “Pay attention and learn from them. And build those crucial, reciprocal mentor and social relationships to enhance your ongoing personal and work journey.”
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By NASA
Explore This Section Mars Home Science Overview Objectives Instruments Highlights Exploration Goals News and Features Multimedia Perseverance Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Perseverance Home Mission Overview Rover Components Mars Rock Samples Where is Perseverance? Ingenuity Mars Helicopter Mission Updates 3 min read
Persevering Through Science
NASA’s Mars Perseverance rover acquired this image of its 26th collected rock sample, “Silver Mountain,” using its onboard Sample Caching System Camera (CacheCam), located inside the rover underbelly. It looks down into the top of a sample tube to take close-up pictures of the sampled material and the tube as it’s prepared for sealing and storage. This image was acquired on Jan. 28, 2025 — sol 1401, or Martian day 1,401 of the Mars 2020 mission — at the local mean solar time of 18:49:01. NASA/JPL-Caltech The Mars 2020 Perseverance rover continues to live up to its name, pushing forward in search of ancient Martian secrets. Following a brief period of system verification and remote testing, our operations team is back at full strength, and Perseverance has been hard at work uncovering new geological insights.
We began our latest campaign at “Mill Brook,” a site surrounded by dusty, fine-grained paver stones. Here, we conducted an abrasion experiment at “Steve’s Trail,” allowing our remote sensing instruments to capture a before-and-after analysis of the rock surface. SuperCam (SCAM) used its LIBS and VISIR systems to investigate “Bad Weather Pond,” while Mastcam-Z (ZCAM) imaged the entire workspace. These observations provide invaluable data on the composition, texture, and potential alteration of these rocks.
After wrapping up at Mill Brook — including a ZCAM multispectral scan of “Berry Hill” — Perseverance took a 140-meter drive (about 459 feet) to “Blue Hill” at “Shallow Bay,” a site of immense scientific interest. The rocks here are rich in low-calcium pyroxene (LCP), making them one of the most intriguing sample targets of the mission so far.
The significance of Blue Hill extends beyond just this one location. The pyroxene-rich nature of the site suggests a potential link to a much larger rock unit visible in orbital HiRISE images. Given that this may be the only exposure of these materials within our planned traverse, our science team prioritized sampling this Noachian-aged outcrop, a rare window into Mars’ deep past.
And now, we are thrilled to announce:
Perseverance has successfully cored and sealed a 2.9-centimeter (1.1-inch) rock sample from Blue Hill, officially named “Silver Mountain.” This marks our first Noachian-aged outcrop sample, an important milestone in our mission to uncover the geological history of Jezero Crater. Since Shallow Bay-Shoal Brook is the only location along our planned route where this regional low-calcium pyroxene unit was identified from orbit, this sample is a one-of-a-kind treasure for future Mars Sample Return analyses.
As we enter the Year of the Snake, it seems fitting that serpentine-bearing rocks have slithered into our focus! While Blue Hill remains a top priority, the tactical team has been highly responsive to the science team’s overwhelming interest in the nearby serpentine-bearing outcrops. These rocks, which may reveal critical clues about past water activity and potential habitability, are now part of our exploration strategy.
Between our Noachian-aged pyroxene sample and the newfound focus on serpentine-bearing rocks, our journey through Jezero Crater has never been more exciting. Each step — each scan, each drive, each core sample — brings us closer to understanding Mars’ complex past.
As Perseverance continues to, well, persevere, and as we embrace the Year of the Snake, we can’t help but marvel at the poetic alignment of science and tradition. Here’s to a year of wisdom, resilience, and groundbreaking discoveries — both on Earth and 225 million kilometers (140 million miles) away!
Stay tuned as we unravel the next chapter in Mars exploration!
Written by Nicolas Randazzo, Postdoctoral Scientist at University of Alberta
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By NASA
NASA has awarded Dynamic Aviation Group Inc. of Bridgewater, Virginia, the Commercial Aviation Services contract to support the agency’s Airborne Science Program. The program provides aircraft and technology to further science and advance the use of Earth observing satellite data, making NASA data about our home planet and innovations accessible to all.
This is an indefinite-delivery/indefinite-quantity firm-fixed-price contract with a maximum potential value of $13.5 million. The period of performance began Friday, Jan. 31, and continues through Jan. 30, 2030.
Under this contract, the company will provide ground and flight crews and services using modified commercial aircraft, including a Beechcraft King Air B200 and Beechcraft King Air A90. Work will include mechanical and electrical engineering services for instrument integration and de-integration, flight planning and real-time tracking, project execution, as well as technical feasibility assessments and cost estimation. Aircraft modifications may include instrumented nosecones, viewing ports, inlets, computing systems, and satellite communications capabilities.
This work is essential for NASA to conduct airborne science missions, develop and validate earth system models, and support satellite payload calibration. NASA’s Ames Research Center in California’s Silicon Valley will administer the agency-wide contract on behalf of the Airborne Science Program in the Earth Science Division at NASA Headquarters in Washington.
To learn more about NASA and agency programs, visit:
https://www.nasa.gov
-end-
Rachel Hoover
Ames Research Center, Silicon Valley, Calif.
650-604-4789
rachel.hoover@nasa.gov
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By NASA
Seeds survive space
A close-up view of the Materials International Space Station Experiment hardware housing materials for exposure to space.NASA Researchers found that plant seeds exposed to space germinated at the same rate as those kept on the ground. This finding shows that plant seeds can remain viable during long-term space travel and plants could be used for food and other uses on future missions.
Materials International Space Station Experiment-14 exposed a variety of materials to space, including 11 types of plant seeds. The work also evaluated the performance of a new sample containment canister as a method of exposing biological samples to space while protecting their vigor.
Examining mechanisms of immune issues in space
NASA astronaut Josh Cassada stows samples from blood collection activities inside an International Space Station science freezer.NASA Using genetic analyses, researchers identified molecular mechanisms that cause changes in mitochondrial and immune system function seen during spaceflight. The findings provide insight into how the human body adapts in space and could guide countermeasures for protecting immune function on future missions.
International Space Station Medical Monitoring collects a variety of health data from crew members before, after, and at regular intervals during spaceflight. Evaluations fall into broad categories of medical, occupational, physical fitness, nutrition, and psychological or behavioral and include blood tests. Mitochondria are cell organelles that produce energy.
Reducing vision changes in space
JAXA (Japan Aerospace Exploration Agency) astronaut Norishige Kanai installs the Mouse Habitat Unit on the space station.JAXA/Norishige Kanai Microgravity can cause changes in eye structure and function. Researchers found that artificial gravity may reduce these changes and could serve as a countermeasure to protect the vision of crew members on future missions.
Previous studies provide evidence that artificial gravity may protect against or mitigate negative effects of microgravity. An investigation from JAXA (Japan Aerospace Exploration Agency) in collaboration with NASA’s Human Research and Space Biology Programs, Mouse Habitat Unit-8 looked at the long-term effects of spaceflight on gene expression patterns in mammals. More research is needed to identify the effects of other spaceflight stressors and determine what level and duration of gravitational force is needed to prevent or reduce damage to the retina or optic nerve.
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By NASA
The first shuttle mission of 1995, STS-63 included several historic firsts. As part of Phase 1 of the International Space Station program, space shuttle Discovery’s 20th flight conducted the first shuttle rendezvous with the Mir space station, in preparation for future dockings. The six-person crew included Commander James Wetherbee, Pilot Eileen Collins – the first woman to pilot a space shuttle mission – Payload Commander Bernard Harris, and Mission Specialists Michael Foale, Janice Voss, and Vladimir Titov. The spacewalk conducted during the mission included the first African American and the first British born astronauts to walk in space. The crew conducted 20 science and technology experiments aboard the third flight of the Spacehab module. The astronauts deployed and retrieved the SPARTAN-204 satellite that during its two-day free flight carried out observations of galactic objects using an ultraviolet instrument.
The STS-63 crew patch. The STS-63 crew of Janice Voss, front row left, Eileen Collins, James Wetherbee, and Vladimir Titov; Bernard Harris, back row left, and Michael Foale. The Shuttle-Mir program patch. NASA announced the six-person STS-63 crew in September 1993 for a mission then expected to fly in May 1994. Wetherbee, selected by NASA in 1984, had already flown twice in space, as pilot on STS-32 and commander of STS-52. For Collins, selected in the class of 1990 as the first woman shuttle pilot, STS-63 marked her first spaceflight. Also selected in 1990, Harris had flown previously on STS-55 and Voss on STS-57. Foale, selected as an astronaut in 1987, had flown previously on STS-45 and STS-56. Titov, selected as a cosmonaut in 1976, had flown two previous spaceflights – a two-day aborted docking mission to Salyut-7 and the first year-long mission to Mir – and survived a launch pad abort. He served as backup to Sergei Krikalev on STS-60, who now served as Titov’s backup.
Space shuttle Discovery rolls out to Launch Pad 39B. The STS-63 crew during the Terminal Countdown Demonstration Test in the White Room of Launch Pad 39B. The STS-63 astronauts walk out of crew quarters for the van ride out to the launch pad. Space shuttle Discovery arrived back at NASA’s Kennedy Space Center in Florida on Sept. 27, 1994, after a ferry flight from California following its previous mission, STS-64. Workers towed it to the Orbiter Processing Facility the next day. Following installation of the Spacehab, SPARTAN, and other payloads, on Jan. 5, 1995, workers rolled Discovery from the processing facility to the Vehicle Assembly Building for mating with an external tank and twin solid rocket boosters. Rollout to Launch Pad 39B took place on Jan. 10. On Jan. 17-18, teams conducted the Terminal Countdown Demonstration Test, a dress rehearsal for the countdown to launch planned for Feb. 2, with the astronaut crew participating in the final few hours as they would on launch day. They returned to Kennedy on Jan. 29 for final pre-launch preparations. On Feb. 2, launch teams called a 24-hour scrub to allow time to replace a failed inertial measurement unit aboard Discovery.
Launch of space shuttle Discovery on mission STS-63. STS-63 Commander James Wetherbee on Discovery’s flight deck. STS-63 Pilot Eileen Collins on Discovery’s flight deck. On Feb. 3, Discovery and its six-person crew lifted off from Launch Pad 39B at 12:22 a.m. EST, the time dictated by orbital mechanics – Discovery had to launch into the plane of Mir’s orbit. Within 8.5 minutes, Discovery had reached orbit, for the first time in shuttle history at an inclination of 51.6 degrees, again to match Mir’s trajectory. Early in the mission, one of Discovery’s 44 attitude control thrusters failed and two others developed minor but persistent leaks, threatening the Mir rendezvous.
View of the Spacehab module in Discovery’s payload bay. The SPARTAN-204 satellite attached to the remote manipulator system or robotic arm during the flight day two operations. On the mission’s first day in space, Harris and Titov activated the Spacehab module and several of its experiments. Wetherbee and Collins performed the first of five maneuvers to bring Discovery within 46 miles of Mir for the final rendezvous on flight day four. Teams on the ground worked with the astronauts to resolve the troublesome thruster problems to ensure a safe approach to the planned 33 feet. On flight day 2, as those activities continued, Titov grappled the SPARTAN satellite with the shuttle’s robotic arm and lifted it out of the payload bay. Scientists used the ultraviolet instrument aboard SPARTAN to investigate the ultraviolet glow around the orbiter and the aftereffects of thruster firings. The tests complete, Titov placed SPARTAN back in the payload bay.
The Mir space station as seen from Discovery during the rendezvous. Space shuttle Discovery as seen from Mir during the rendezvous. Mir during Discovery’s flyaround. On flight day three, the astronauts continued working on science experiments while Wetherbee and Collins completed several more burns for the rendezvous on flight day four, the thruster issues resolved to allow the close approach to 33 feet. Flying Discovery manually from the aft flight deck, and assisted by his crew mates, Wetherbee slowly brought the shuttle to within 33 feet of the Kristall module of the space station. The STS-63 crew communicated with the Mir-17 crew of Aleksandr Viktorenko, Elena Kondakova, and Valeri Polyakov via VHF radio, and the crews could see each other through their respective spacecraft windows. After station-keeping for about 10 minutes, Wetherbee slowly backed Discovery away from Mir to a distance of 450 feet. He flew a complete circle around Mir before conducting a final separation maneuver.
The SPARTAN-204 satellite as it begins its free flight on flight day five. STS-63 crew member Vladimir Titov works on an experiment in the Spacehab module. On the mission’s fifth day, Titov once again grappled SPARTAN with the robotic arm, but this time after raising it above the payload bay, he released the satellite to begin its two-day free flight. Wetherbee steered Discovery away from the departing satellite. During its free flight, the far ultraviolet imaging spectrograph aboard SPARTAN recorded about 40 hours of observations of galactic dust clouds. During this time, the astronauts aboard the shuttle continued work on the 20 experiments in Spacehab and prepared for the upcoming spacewalk.
STS-63 crew member Janice Voss operates the remote manipulator system during the retrieval of the SPARTAN-204 satellite. STS-63 astronauts Bernard Harris, left, and Michael Foale at the start of their spacewalk. Wetherbee and the crew flew the second rendezvous of the mission on flight day seven to retrieve SPARTAN. Voss operated the robotic arm to capture and stow the satellite in the payload bay following its 43-hour free flight. Meanwhile, Foale and Harris suited up in the shuttle’s airlock and spent four hours breathing pure oxygen to rid their bodies of nitrogen to prevent decompression sickness, also known as the bends, when they reduced their spacesuit pressures for the spacewalk.
Astronauts Bernard Harris, left, and Michael Foale during the spacesuit thermal testing part of their spacewalk. Foale, left, and Harris during the mass handling part of their spacewalk. Foale and Harris exited the airlock minutes after Voss safely stowed SPARTAN. With Titov operating the robotic arm, Harris and Foale climbed aboard its foot restraint to begin the first phase of the spacewalk, testing modifications to the spacesuits for their thermal characteristics. Titov lifted them well above the payload bay and the two spacewalkers stopped moving for about 15 minutes, until their hands and feet got cold. The spacewalk then continued into its second portion, the mass handling activity. Titov steered Foale above the SPARTAN where he lifted the satellite up and handed it off to Harris anchored in the payload bay. Harris then moved it around in different directions to characterize handling of the 2,600-pound satellite. Foale and Harris returned to the airlock after a spacewalk lasting 4 hours 39 minutes.
The STS-63 astronauts pose for their inflight crew photo. Discovery makes a successful landing at NASA’s Kennedy Space Center in Florida. The day following the spacewalk, the STS-63 crew finished the science experiments, closed down the Spacehab module, and held a news conference with reporters on the ground. Wetherbee and Collins tested Discovery’s thrusters and aerodynamic surfaces in preparation for the following day’s reentry and landing. The next day, on Feb. 11, they closed Discovery’s payload bay doors and put on their launch and entry suits. Wetherbee guided Discovery to a smooth landing on Kennedy’s Shuttle Landing Facility, ending the historic mission after eight days, six hours, and 28 minutes. They orbited the Earth 129 times. The mission paved the way for nine shuttle dockings with Mir beginning with STS-71, and 37 with the International Space Station. Workers at Kennedy towed Discovery to the processing facility to prepare it for its next mission, STS-70 in July 1995.
Over the next three years, Wetherbee, Collins, Foale, and Titov all returned to Mir during visiting shuttle flights, with Foale staying aboard as the NASA-5 long-duration crew member. Between 2001 and 2005, Wetherbee, Collins, and Foale also visited the International Space Station. Wetherbee commanded two assembly flights, Collins commanded the return to flight mission after the Columbia accident, and Foale commanded Expedition 8.
Enjoy the crew narrate a video about their STS-63 mission.
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