A spacewalk deliberate for Thursday exterior the Worldwide House Station was referred to as off late Wednesday due to a “medical concern” with an unidentified crew member, NASA mentioned in an announcement.
An replace shortly earlier than midnight mentioned the company was exploring “all choices, together with the potential of an earlier finish to Crew 11’s mission.”
NASA 
“These are the conditions NASA and our companions practice for and put together to execute safely,” the replace mentioned. “We’ll present additional updates throughout the subsequent 24 hours.”
Whereas NASA didn’t establish the astronaut in query or clarify the medical situation — customary follow attributable to privateness considerations — the company mentioned “the matter concerned a single crew member who’s steady.”
House station commander Mike Fincke, flight engineer Zena Cardman, Japanese astronaut Kimiya Yui and Russian cosmonaut Oleg Platonov launched to the house station aboard a SpaceX Crew Dragon ferry ship on August. 1.
Going into the brand new 12 months, the crew anticipated to stay in house till their replacements arrive in mid-February. Crew 11’s return to Earth is anticipated round Feb. 20. That is nonetheless the official plan.
Within the meantime, Cardman, 38, and Fincke, 58, a veteran of 9 spacewalks on earlier missions, have been planning to enterprise exterior the station Thursday to complete constructing a truss wanted to assist a set of roll-out photo voltaic arrays and to hold out different deliberate upkeep.
A second spacewalk by two yet-to-be-announced astronauts was deliberate for subsequent week.
NASA 
However NASA referred to as off the the primary spacewalk earlier Wednesday, saying “the company is monitoring a medical concern with a crew member that arose Wednesday afternoon. As a consequence of medical privateness, it’s not acceptable for NASA to share extra particulars concerning the crew member.”
“The state of affairs is steady. NASA will share extra particulars, together with a brand new date for the upcoming spacewalk, later.”
In a quick space-to-ground radio change simply after 2:30 p.m. EST, Yui referred to as mission management in Houston and requested for a non-public medical convention, or PMC.
Mission management replied {that a} PMC, utilizing a non-public radio channel, could be arrange momentarily. Yui then requested if a flight surgeon was accessible and if flight controllers had a reside digital camera view from contained in the station.
“Houston, can we nonetheless have, like, a digital camera view in Node 2, uh, 3, lab?” Yui requested.
“We have no inner cameras proper now, however we are able to put the lab view in if you would like,” the mission management communicator replied.
“I respect that,” Yui replied. He then requested: “Do you’ve like a crew surgeon? … A flight surgeon?”
No extra exchanges have been heard. Later Wednesday, NASA’s house station audio stream, usually carried reside around-the-clock on YouTube, went silent with out clarification.
