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By European Space Agency
Video: 00:09:30 In Tenerife, Spain, stands a unique duo: ESA’s Izaña-1 and Izaña-2 laser-ranging stations. Together, they form an optical technology testbed of the European Space Agency that takes the monitoring of space debris and satellites to a new level while maturing new technologies for commercialisation.
Space debris is a threat to satellites and is rapidly becoming a daily concern for satellite operators. The Space Safety Programme, part of ESA Operations, managed from ESOC in Germany, helps develop new technologies to detect and track debris, and to prevent collisions in orbit in new and innovative ways.
One of these efforts takes place at the Izaña station in Tenerife. There, ESA and partner companies are testing how to deliver precise orbit data on demand with laser-based technologies. The Izaña-2 station was recently finalised by the German company DiGOS and is now in use.
To perform space debris laser ranging, Izaña-2 operates as a laser transmitter, emitting high-power laser pulses towards objects in space. Izaña-1 then acts as the receiver of the few photons that are reflected back. The precision of the laser technology enables highly accurate data for precise orbit determination, which in turn is crucial for actionable collision avoidance systems and sustainable space traffic management.
With the OMLET (Orbital Maintenance via Laser momEntum Transfer) project, ESA combines different development streams and possibilities for automation to support European industry with getting two innovative services market-ready: on-demand ephemeris provision and laser-based collision avoidance services for end users such as satellite operators.
A future goal is to achieve collision avoidance by laser momentum transfer, where instead of the operational satellite, the piece of debris will be moved out of the way. This involves altering the orbit of a piece of space debris slightly by applying a small force to the object through laser illumination.
The European Space Agency actively supports European industry in capitalising on the business opportunities that not only safeguard our satellites but also pave the way for the sustainable use of space.
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By NASA
Teams at NASA’s Kennedy Space Center in Florida participate in the first joint integrated launch countdown simulation for Artemis I inside Firing Room 1 of the Launch Control Center on July 8, 2021. Seen at the top of the room is Charlie Blackwell-Thompson (right), launch director.Credit: NASA/Ben Smegelsky As four astronauts venture around the Moon on NASA’s Artemis II test flight in 2026, many people will support the journey from here on Earth. Teams directing operations from the ground include the mission management team, launch control team, flight control team, and the landing and recovery team, each with additional support personnel who are experts in every individual system and subsystem. The teams have managed every aspect of the test flight and ensure NASA is prepared to send humans beyond our atmosphere and into a new Golden Age of innovation and exploration.
Mission management team
Reviews of mission status and risk assessments are conducted by the mission management team, a group of 15 core members and additional advisors. Amit Kshatriya, NASA’s deputy associate administrator, Moon to Mars Program, will serve as the mission management team chair for the test flight.
Two days prior to launch, the mission management team will assemble to review mission risks and address any lingering preflight concerns. With more than 20 years of human spaceflight experience, Kshatriya will conduct polls at key decision points, providing direction for the relevant operations team. If circumstances during the flight go beyond established decision criteria or flight rules outlined ahead of the mission, the team will assess the situation based on the information available and decide how to respond.
Matt Ramsey, serving as the Artemis II mission manager, will oversee all elements of mission preparedness prior to the mission management team assembly two days before launch and serve as deputy mission management team chair throughout the mission. With more than two decades of experience at NASA, Ramsey managed the SLS (Space Launch System) Engineering Support Center for Artemis I.
Launch control team
The launch control team coordinates launch operations from NASA’s Kennedy Space Center in Florida. Charlie Blackwell-Thompson serves as the agency’s Artemis launch director, responsible for integrating and coordinating launch operations for the SLS, Orion, and Exploration Ground Systems Programs, including developing and implementing plans for countdown, troubleshooting, and timing.
Two days before liftoff, when the countdown for launch begins, Blackwell-Thompson’s team will begin preparations for launch from their console positions in Firing Room 1 in Kennedy’s Launch Control Center. On the day of launch, Blackwell-Thompson and her team will manage countdown progress, propellent loading, and launch commit criteria. The criteria include standards for systems involved in launch, and the team will monitor the rocket until it lifts off from the launchpad.
Rick Henfling, flight director, monitors systems in the Flight Control Center at NASA’s Johnson Space Center in Houston.Credit: NASA Flight control team
From solid rocket booster ignition until the crew is safety extracted from the Orion capsule following splashdown in the Pacific Ocean at the end of their mission, the flight control team oversees operations from the Mission Control Center at NASA’s Johnson Space Center in Houston. Multiple flight directors will take turns leading the team throughout the 10-day mission to support operations around the clock. Jeff Radigan, bringing more than 20 years of International Space Station experience to Artemis II, will serve as lead flight director for the mission. The work for this role begins well in advance of the mission with building mission timelines; developing flight rules and procedures; leading the flight control team through simulations that prepare them for the flight test; and then helping them carry out the plan.
On launch day, the ascent flight control team will be led by Judd Frieling, an Artemis I flight director who also supported more than 20 shuttle missions as a flight controller. Frieling is responsible for overseeing the crew’s ascent to space, including performance of SLS core stage engines, solid rocket boosters, and propulsion systems from the moment of launch until the separation of Orion from the Interim Cryogenic Propulsion Stage. As Orion is propelled toward the Moon, guidance of operations will pass to the next flight director.
At the opposite end of the mission, Rick Henfling will take the lead for Orion’s return to Earth and splashdown. Orion will reenter Earth’s atmosphere at roughly 25,000 mph to about 20 mph for a parachute-assisted splashdown. Drawing from a background supporting space shuttle ascent, entry, and abort operations and 10 years as a space station flight director, Henfling and the team will monitor weather forecasts for landing, watch over Orion’s systems through the dynamic entry phase, and to ensure the spacecraft is safely shutdown before handing over operations to the recovery team.
At any point during the mission, a single voice will speak to the crew in space on behalf of all members of the flight control team: the capsule communicator, or CapCom. The CapCom ensures the crew in space receives clear and concise communication from the teams supporting them on the ground. NASA astronaut Stan Love will serve as the lead CapCom for Artemis II. Love flew aboard STS-122 mission and has acted as CapCom for more than a dozen space station expeditions. He is also part of the astronaut office’s Rapid Prototyping Lab, which played a key role in development of Orion’s displays and controls.
Landing, recovery team
Retrieval of the crew and Orion crew module will be in the hands of the landing and recovery team, led by Lili Villarreal. The team will depart San Diego on a Department of Defense ship, and head to the vicinity of the landing site several days before splashdown for final preparations alongside the U.S. Navy and DOD.
The recovery team is made up of personnel operating from the ship, land, and air to recover both astronauts and the capsule. Decision-making authority during the recovery phase of mission operations belongs to Villarreal, who served as deputy flow director for Artemis I and worked in the operations division for the space station.
The success of Artemis II will pave the way for the next phase of the agency’s campaign, landing on the lunar South Pole region on Artemis III. These teams, along with the four crew members and countless NASA engineers, scientists, and personnel, are driving humanity’s exploration on the Moon, Mars, and beyond.
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Robert Mosher, HIAD materials and processing lead at NASA Langley, holds up a piece of webbing material, known as Zylon, which comprise the straps of the HIAD.NASA/Joe Atkinson Components of a NASA technology that could one day help crew and cargo enter harsh planetary environments, like that of Mars, are taking an extended trip to space courtesy of the United States Space Force.
On Aug. 21, several pieces of webbing material, known as Zylon, which comprise the straps of the HIAD (Hypersonic Inflatable Aerodynamic Decelerator) aeroshell developed by NASA’s Langley Research Center in Hampton, Virginia, launched to low Earth orbit along with other experiments aboard the Space Force’s X-37B Orbital Test Vehicle. This trip will help researchers characterize how the Zylon webbing responds to long-duration exposure to the harsh vacuum of space.
The strap material on the HIAD aeroshell serves two purposes – short strap lengths hold together HIAD’s inflatable rings and longer pieces help to distribute the load more evenly across the cone-shaped structure. The HIAD aeroshell technology could allow larger spacecraft to safely descend through the atmospheres of celestial bodies like Mars, Venus, and even Saturn’s moon, Titan.
“We’re researching how HIAD technology could help get humans to Mars. We want to look at the effects of long-term exposure to space – as if the Zylon material is going for a potential six to nine-month mission to Mars,” said Robert Mosher, HIAD materials and processing lead at NASA Langley. “We want to make sure we know how to protect those structural materials in the long term.”
The Zylon straps are visible here during the inflation of LOFTID as part of a November 2022 orbital flight test. LOFTID was a version of the HIAD aeroshell — a technology that could allow larger spacecraft to safely descend through the atmospheres of celestial bodies like Mars, Venus, and even Saturn’s moon, Titan.NASA Flying Zylon material aboard the Space Force’s X-37B mission will help NASA researchers understand what kind of aging might occur to the webbing on a long space journey before it experiences the extreme environments of atmospheric entry, during which it has to retain strength at high temperatures.
Multiple samples are in small canisters on the X-37B. Mosher used two different techniques to put the strap material in the canisters. Some he tightly coiled up, others he stuffed in.
“Typically, we pack a HIAD aeroshell kind of like you pack a parachute, so they’re compressed,” he said. “We wanted to see if there was a difference between tightly coiled material and stuff-packed material like you would normally see on a HIAD.”
Some of the canisters also include tiny temperature and humidity sensors set to collect readings at regular intervals. When the Space Force returns the samples from the X-37B flight, Mosher will compare them to a set of samples that have remained in canisters here on Earth to look for signs of degradation.
The material launched to space aboard the Space Force’s X-37B Orbital Test Vehicle, seen here earlier this year.Courtesy of the United States Space Force “Getting this chance to have the Zylon material exposed to space for an extended period of time will begin to give us some data on the long-term packing of a HIAD,” Mosher said.
Uninflated HIAD aeroshells can be packed into small spaces within a spacecraft. This results in a decelerator that can be much larger than the diameter of its launch vehicle and can therefore land much heavier loads and deliver them to higher elevations on a planet or other celestial body.
Rigid aeroshells, the sizes of which are dictated by the diameters of their launch vehicles, typically 4.5 to 5 meters, are capable of landing well-equipped, car-sized rovers on Mars. By contrast, an inflatable HIAD, with an 18-20m diameter, could land the equivalent of a small, fully furnished ranch house with a car in the garage on Mars.
NASA’s HIAD aeroshell developments build on the success of the agency’s LOFTID (Low-Earth Orbit Flight Test of an Inflatable Decelerator) mission that launched on Nov. 10, 2022, resulting in valuable insights into how this technology performs under the stress of re-entering Earth’s atmosphere after being exposed to space for a short time period.
Learn more: https://www.nasa.gov/space-technology-mission-directorate/tdm/
About the Author
Joe Atkinson
Public Affairs Officer, NASA Langley Research Center
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Last Updated Aug 27, 2025 Related Terms
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By NASA
2 Min Read NASA Seeks Volunteers to Track Artemis II Mission
On the 19th day of the Artemis I mission, Dec. 4, 2022, a camera mounted on the Orion spacecraft captured the Moon just in frame. Credits: NASA NASA seeks volunteers to passively track the Artemis II Orion spacecraft as the crewed mission travels to the Moon and back to Earth.
The Artemis II test flight, a launch of the agency’s SLS (Space Launch System) rocket and Orion spacecraft, will send NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen, on an approximately 10-day mission around the Moon.
The mission, targeted for no later than April 2026, will rely on NASA’s Near Space Network and Deep Space Network for primary communications and tracking support throughout its launch, orbit, and reentry. However, with a growing focus on commercialization, NASA wants to further understand industry’s tracking capabilities.
This collaboration opportunity builds upon a previous request released by NASA’s SCaN (Space Communication and Navigation) Program during the Artemis I mission, where ten volunteers successfully tracked the uncrewed Orion spacecraft in 2022 on its journey thousands of miles beyond the Moon and back.
During the Artemis I mission, participants – ranging from international space agencies, academic institutions, commercial companies, nonprofits, and private citizens – attempted to receive Orion’s signal and use their respective ground antennas to track and measure changes in the radio waves transmitted by Orion.
This data will help inform our transition to a commercial-first approach, ultimately strengthening the infrastructure needed to support long-term Moon to Mars objectives.
Kevin Coggins
Deputy Associate Administrator for SCaN
“By offering this opportunity to the broader aerospace community, we can identify available tracking capabilities outside the government,” said Kevin Coggins, NASA’s deputy associate administrator for SCaN at NASA Headquarters in Washington. “This data will help inform our transition to a commercial-first approach, ultimately strengthening the infrastructure needed to support Artemis missions and our long-term Moon to Mars objectives.”
Read the opportunity announcement here: Responses are due by 5 p.m. EDT on Monday, Oct. 27.
NASA’s SCaN Program serves as the management office for the agency’s space communications and navigation systems. More than 100 NASA and non-NASA missions rely on SCaN’s two networks, the Near Space Network and the Deep Space Network, to support astronauts aboard the International Space Station and future Artemis missions, monitor Earth’s weather, support lunar exploration, and uncover the solar system and beyond.
Artemis II will help confirm the systems and hardware needed for human deep space exploration. This mission is the first crewed flight under NASA’s Artemis campaign and is another step toward new U.S.-crewed missions on the Moon’s surface that will help the agency prepare to send American astronauts to Mars.
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Last Updated Aug 27, 2025 EditorGoddard Digital TeamContactJoshua A. Finchjoshua.a.finch@nasa.govLocationGoddard Space Flight Center Related Terms
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By NASA
NASA’s SpaceX 33rd commercial resupply mission will launch on the company’s Dragon spacecraft on the SpaceX Falcon 9 rocket to deliver research and supplies to the International Space StationNASA NASA and SpaceX are targeting no earlier than 2:45 a.m. EDT on Sunday, Aug. 24, for the next launch to deliver scientific investigations, supplies, and equipment to the International Space Station.
Filled with more than 5,000 pounds of supplies, the SpaceX Dragon spacecraft, on the company’s Falcon 9 rocket, will lift off from Launch Complex 40 at Cape Canaveral Space Force Station in Florida. Dragon will dock autonomously about 7:30 a.m. on Monday, Aug. 25, to the forward port of the space station’s Harmony module.
NASA’s SpaceX 33rd commercial resupply mission will launch from Launch Complex 40 at Cape Canaveral Space Force Station in Florida.NASA This launch is the 33rd SpaceX commercial resupply services mission to the orbital laboratory for the agency, and the 13th SpaceX launch under the Commercial Resupply Services-2 contract. The first 20 launches were under the original resupply services contract.
Watch agency launch and arrival coverage on NASA+, Netflix, Amazon Prime, and more. Learn how to watch NASA content through a variety of platforms, including social media.
NASA’s live launch coverage will begin at 2:25 a.m. on Aug 24. Dragon’s arrival coverage will begin at 6 a.m. on Aug. 25. For nearly 25 years, the International Space Station has provided research capabilities used by scientists from over 110 countries to conduct more than 4,000 groundbreaking experiments in microgravity. Research conducted aboard the space station advances Artemis missions to the Moon and human exploration of Mars, while providing multiple benefits to humanity.
Arrival & Departure
The SpaceX Dragon spacecraft will arrive at the space station and dock autonomously to the forward port of the station’s Harmony module at approximately 7:30 a.m. on Monday, Aug. 25. NASA astronauts Mike Fincke and Jonny Kim will monitor the spacecraft’s arrival. It will stay docked to the orbiting laboratory for about four months before splashing down and returning critical science and hardware to teams on Earth.
NASA astronauts Mike Fincke and Jonny Kim will monitor the arrival of the SpaceX Dragon cargo spacecraft from the International Space Station.NASA Research Highlights
Preventing bone loss in space
Microgravity Associated Bone Loss-B (MABL-B) assesses the effects of microgravity on bone marrow stem cells and may provide a better understanding of the basic molecular mechanisms of bone loss that occurs during spaceflight and from normal aging on Earth.NASA A study of bone-forming stem cells in microgravity could provide insight into the basic mechanisms of the bone loss astronauts experience during long-duration space flight ahead of future exploration of the Moon and Mars.
Researchers identified a protein in the body called IL-6 that can send signals to stem cells to promote either bone formation or bone loss. This work evaluates whether blocking IL-6 signals could reduce bone loss during spaceflight. Results could improve our understanding of bone loss on Earth due to aging or disease and lead to new prevention and treatment strategies.
Printing parts, tools in space
Printing parts, tools in space
The objective of the Metal 3D printer aboard the International Space Station is to gain experience with operating and evaluating the manufacturing of spare parts in microgravity to support long duration space missions.NASA As mission duration and distance from Earth increase, resupply becomes harder. Additive manufacturing, or 3D printing, could be used to make parts and dedicated tools on demand, enhancing mission autonomy.
Research aboard the space station has made strides in 3D printing with plastic, but it is not suitable for all uses. Investigations from ESA’s (European Space Agency) Metal 3D Printer builds on recent successful printing of the first metal parts in space.
Bioprinting tissue in microgravity
Maturation of Vascularized Liver Tissue Construct in Zero Gravity (MVP Cell-07) is a biotechnology experiment studying bioprinted, or lab grown, liver tissues complete with blood vessels in space. The results could improve astronaut health on long missions and lead to new ways to treat patients on Earth.NASA Researchers plan to bioprint liver tissue containing blood vessels on the ground and examine how the tissue develops in microgravity. Results could help support the eventual production of entire functional organs for transplantation on Earth.
A previous mission tested whether this bioprinted liver tissue survived and functioned in space. This experimental round could show whether microgravity improves the development of the bioprinted tissue.
Biomanufacturing drug-delivery medical devices
The InSPA-Auxilium Bioprinter will test 3D printing medical implant devices designed to deliver drugs and treat various health conditions such as nerve inuries. Printing on the International Space Station may produce higher-quality devices than on Earth.NASA Scientists are creating an implantable device in microgravity that could support nerve regrowth after injuries. The device is created through bioprinting, a type of 3D printing that uses living cells or proteins as raw materials.
Traumatic injuries can create gaps between nerves, and existing treatments have a limited ability to restore nerve function and may result in impaired physical function. A bioprinted device to bridge nerve gaps could accelerate recovery and preserve function.
Cargo Highlights
NASA’s SpaceX 33rd commercial resupply mission will carry over 5,000 pounds of cargo to the International Space Station.NASA Hardware
Launch:
Reboost Kit – This kit will perform a reboost demonstration of the station to maintain its current altitude. The hardware, located in Dragon’s trunk, contains an independent propellant system, separate from the spacecraft’s main system, to fuel two Draco engines using existing hardware and propellant system design. The boost kit will demonstrate the capability to maintain the orbiting lab’s altitude starting in September with a series of burns planned periodically throughout the fall of 2025. During NASA’s SpaceX 31st commercial resupply services mission, the Dragon spacecraft first demonstrated these capabilities on Nov. 8, 2024. Poly Exercise Rope Kit – These exercise ropes distribute the desired exercise loads through a series of pulleys for the Advanced Restrictive Exercise Device. The ropes have a limited life cycle, and it will be necessary to replace them once they have reached their limit. Brine Filter – These filters remove solid particles from liquid in urine during processing as a part of the station’s water recovery system. Acoustic Monitor – A monitor that measures sound and records the data for download. This monitor will replace the sound level meter and the acoustic dosimeter currently aboard the orbiting laboratory. Multi-filtration Bed – This space unit will support the Water Processor Assembly and continue the International Space Station Program’s effort to replace a fleet of degraded units aboard the station to improve water quality through a single bed. Water Separator Orbital Unit – The unit draws air and condensate mixture from a condensing heat exchanger and separates the two components. The air is returned to the cabin air assembly outlet air-flow stream, and the water is delivered to the condensate bus. This unit launches to maintain in-orbit sparing while another is being returned for repair. Anomaly Gas Analyzer Top Assembly – This battery-powered device detects and monitors gases aboard the station, including oxygen, carbon dioxide, hydrogen chloride, hydrogen fluoride, ammonia, carbon monoxide, and hydrogen cyanide. It also measures cabin pressure, humidity, and temperature. It replaces the Compound Specific Analyzer Combustion Products as the primary tool for detecting airborne chemicals and conditions. Separator Pump (Water Recovery and Management) – This electrically-powered pump separates liquids and gases while rotating. It includes a scoop pump that moves the separated liquid into storage containers for use in other systems. The pump also contains sensor components and a filter to reduce electrical interference from the motor. Launching to maintain in-orbit sparing. Reducer Cylinder Assembly & Emergency Portable Breathing Apparatus – Together, this hardware provides 15 minutes of oxygen to a crew member in case of an emergency (smoke, fire, alarm). Two are launching to maintain a minimum in-orbit spare requirement. Passive Separator Flight Experiment – This experiment will test a new method for separating urine and air using existing technology that combines a water-repellent urine hose with an airflow separator from the station’s existing Waste Hygiene Compartment. Improved Resupply Water Tanks – Two tanks, each holding approximately 160 pounds of potable water, to supplement the Urine Processing Assembly. NORS (Nitrogen/Oxygen Recharge System) Maintenance Tank/Recharge Tank Assembly, Nitrogen – The NORS maintenance kit comprises two assemblies: the NORS recharge tank assembly and the NORS vehicle interface assembly. The recharge tank assembly will be pressurized with nitrogen gas for launch. The vehicle interface assembly will protect the recharge tank assembly for launch and stowage aboard the space station. Launching to maintain reserve oxygen levels on station. Swab Kits – These quick-disconnect cleaning kits are designed and created to replace in-orbit inventory. Return:
Oxygen Generation Assembly Pump – The assembly pump converts potable water from the water recovery system into oxygen and hydrogen. The oxygen is sent to the crew cabin, and the hydrogen is either vented or used to produce more water. The International Space Station has been using this process to produce oxygen and hydrogen for 15 years, and this unit will be retired upon its return to Earth. The flight support equipment within will be refurbished and used in a new pump launched aboard a future flight. Carbon Dioxide Monitoring Assembly – A carbon dioxide monitor that measures the gas using the infrared absorption sensor. It expired in July 2025 and will return for refurbishment. Meteoroid Debris Cover Center Section Assembly – This external multilayer insulation provides thermal and micro-meteoroid orbital debris protection on the node port. After it is removed and replaced with a new assembly launching on NASA’s Northrop Grumman 23rd commercial resupply services mission, this unit will return for repair or used for spare parts. Multi-filtration Bed – This spare unit supports the Water Processor Assembly, which improves water quality aboard the International Space Station. Its return is part of an ongoing effort to replace a degraded fleet of in-orbit units. After its use, this multi-filtration bed will be refurbished for future re-flight. Separator Pump – This electrically powered pump separates liquids and gases while rotating. It includes a scoop pump that moves the separated liquid into storage containers for use in other systems. The pump also contains sensor components and a filter to reduce electrical interference from the motor. This unit is designed to run to failure, and after investigation and testing, it will be returned for repair and future flight. Rate Gyro Enclosure Assembly – The Rate Gyro Assembly determines the space station’s rate of angular motion. It is returning for repair and refurbishment and will be used as a spare. NORS (Nitrogen/Oxygen Recharge System) Maintenance Kit (Oxygen) – The NORS Maintenance Kit comprises two assemblies: the NORS Recharge Tank Assembly and the NORS Vehicle Interface Assembly. The recharge tank assembly will be pressurized with Nitrogen gas for launch. The vehicle interface assembly will protect the recharge tank assembly for launch and stowage aboard the space station. They are routinely returned for reuse and re-flight. The kit also includes a VIA bag (vehicle interface assembly) with foam, which is used as a cargo transfer bag for launch and return to protect the tank. Watch, Engage
Watch agency launch and arrival coverage on NASA+, Netflix, Amazon Prime, and more. Learn how to watch NASA content through a variety of platforms, including social media.
NASA’s live launch coverage will begin at 2:25 a.m. on Aug 24. Dragon’s arrival coverage will begin at 6 a.m. on Aug. 25.
Read more about how to watch and engage.
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