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The failed MDM stopped responding and forced a suitless clock outside
A critical backup system on the International Space Station fails, leaving only the primary. Two astronauts must perform a spacewalk to replace it.
The failed MDM stopped responding and forced a suitless clock outside
This episode details the silent failure of a multiplexer-demultiplexer (MDM) aboard the International Space Station and the subsequent spacewalk required to replace it. It explores the career of astronaut Richard Alan Mastracchio, whose extensive experience prepared him for such a critical moment.
Date: April 11, 2014
Location: International Space Station
Person: Richard Alan…
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