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International Space Station

  • NASA Spacewalkers Install Station’s Fourth Roll-Out Solar Array

    NASA spacewalker Josh Cassada prepares a roll-out solar array for its deployment on the space station's Port-4 truss segment as the orbiting lab flew above the Atlantic Ocean.

    Expedition 68 Flight Engineers Josh Cassada and Frank Rubio of NASA concluded their spacewalk at 3:27 p.m. EST after 7 hours and 8 minutes. Cassada and Rubio completed their major objectives for today to install an International Space Station Roll-Out Solar Array (iROSA) on the 4A power channel on the port truss. The iROSAs will …

  • NASA Astronauts Begin Spacewalk to Install Solar Array

    Astronaut Frank Rubio is pictured during a spacewalk on Nov. 15, 2022, tethered to the space station's starboard truss structure during an orbital sunset.

    Expedition 68 Flight Engineers Josh Cassada and Frank Rubio of NASA began a spacewalk at 8:19 a.m. EST to install an International Space Station Roll-Out Solar Array (iROSA) to augment power generation for the 4A power channel on the station’s port truss structure. Rubio, designated extravehicular crew member 1 (EV1), is wearing a suit with red stripes. Cassada, designated …

  • Watch Live as NASA Astronauts Prep for Spacewalk to Upgrade Station Power System

    NASA spacewalker Josh Cassada rides the Canadarm2 robotic arm carrying the roll-out solar array to its installation site on the Starboard-4 truss segment. Credit: NASA TV

    NASA Television coverage of today’s spacewalk with NASA astronauts Josh Cassada and Frank Rubio is now underway and is also available on the NASA app, the space station blog and the agency’s website. The crew members of Expedition 68 are preparing to exit the International Space Station‘s Quest airlock for a spacewalk expected to begin about 8:30 …

  • Spacewalk Postponed to Thursday, Managers Discuss Soyuz Leak Inquiry

    NASA astronauts (from left) Frank Rubio and Josh Cassada will conduct their third spacewalk together and install the space station's fourth roll-out solar array.

    NASA astronauts Frank Rubio and Josh Cassada are now scheduled to begin a spacewalk at 8:30 a.m. EST Thursday to augment the International Space Station’s power generation system. Wednesday’s spacewalk was postponed for 24 hours so that the orbiting lab’s ISS Progress 81 cargo craft could fire its engines at 8:42 a.m. to maneuver the …

  • Space Station Maneuvers to Avoid Debris After Conjunction Postpones Spacewalk

    The space station was pictured from the SpaceX Crew Dragon Endeavour during its departure on Nov. 8, 2021.

    The International Space Station conducted a Pre-Determined Debris Avoidance Maneuver (PDAM) today, Dec. 21, at 8:42 a.m. EST. The decision to conduct the maneuver was based on tracking data that showed a close approach to station of a fragment of Russian Fregat-SB upper stage debris. During the manuever, the Roscosmos Progress 81 thrusters fired for …

  • NASA Spacewalk Postponed Due to Debris Avoidance

    Astronaut Josh Cassada is pictured during a spacewalk on Nov. 15, 2022, to ready the space station for future rollout solar array installation work.

    While flight control teams were preparing for today’s U.S. spacewalk, updated tracking data on a fragment of Russian Fregat-SB upper stage debris showed a close approach to station. Based on this new data, flight control teams directed the crew to stop spacewalk preparations as the ground team stepped into procedures to perform a Pre-Determined Debris …

  • Spacewalk Preps Under Way During Multitude of Science Experiments

    Astronauts Nicole Mann and Frank Rubio pose with their mission's insignia inside the cupola as the space station orbited above the Pacific Ocean.

    Two Expedition 68 astronauts are preparing to exit the International Space Station on Wednesday and augment the orbiting lab’s power generation system. The duo from NASA, Frank Rubio and Josh Cassada, will spend about seven hours installing the station’s fourth roll-out solar array on the Port-4 (P4) truss structure. Rubio and Cassada spent Tuesday gathering …

  • Week Begins with Bone Research, Cargo Operations Ahead of Spacewalk

    The Soyuz MS-22 crew ship is pictured docked to the Rassvet module. In the background, the Prichal docking module is attached to the Nauka multipurpose laboratory module.

    Life science and cargo operations kicked off the week for the Expedition 68 crew aboard the International Space Station. Two astronauts are also planning to exit the orbiting lab on Wednesday for a seven-hour spacewalk. NASA Flight Engineers Josh Cassada and Nicole Mann took turns with Japan Aerospace Exploration Agency (JAXA) Flight Engineer Koichi Wakata …

  • Controllers Evaluating Soyuz After Successful Thruster Test

    The Soyuz MS-22 crew ship is pictured docked to the Rassvet module. In the background, the Prichal docking module is attached to the Nauka multipurpose laboratory module.

    NASA and Roscosmos continue to evaluate an external leak that occurred Dec. 14, from the Roscosmos Soyuz MS-22 spacecraft docked to the Rassvet module of the International Space Station. Roscosmos has identified the source of the leak as the external cooling loop of the Soyuz. As part of the ongoing evaluation and investigation, Roscosmos flight controllers conducted a …

  • NASA Provides Update on International Space Station Operations

    The Soyuz MS-22 crew ship is pictured docked to the Rassvet module. In the background, the Prichal docking module is attached to the Nauka multipurpose laboratory module.

    On Wednesday, Dec. 14, an external leak was detected from the Roscosmos Soyuz MS-22 spacecraft docked to the Rassvet module on the International Space Station. The external radiator cooling loop of the Soyuz is the suspected leak source. The Roscosmos Mission Control team in Moscow postponed Wednesday evening’s planned spacewalk with two cosmonauts to evaluate …