The Norman Transcript

Nation/World

July 17, 2013

Water leak ends spacewalk

(Continued)

CAPE CANAVERAL, Fla. —

Mission Control praised the crew for its fast effort and hooked them up with flight surgeons on the ground.

Parmitano used the same suit during last week’s spacewalk without any problems. Before the gush of water made its way into his helmet, the astronaut reported a bad sensor for measuring carbon dioxide in his suit. NASA managers concluded the sensor likely failed due to all the water.

Spare spacesuits and equipment are on board for future NASA spacewalks.

The four remaining spacewalks planned for this year involve Russian astronauts wearing Russian suits, different than the U.S. models. They’re preparing for the arrival later this year of a new Russian lab. The year’s previous four spacewalks encountered no major snags. This was the 171st spacewalk in the 15-year history of the orbiting outpost.

There was no immediate word on when Tuesday’s undone tasks might be attempted again. None of the chores was urgent, simply things that had piled up over the past couple years.

It was the fastest end to a spacewalk since 2004 when Russian and American spacewalkers were ordered back in by Mission Control outside Moscow because of spacesuit trouble. That spacewalk lasted a mere 14 minutes. Tuesday’s spacewalk lasted one hour and 32 minutes.

During NASA’s old shuttle program, spacewalks occasionally were stymied by stuck hatches and ripped gloves. By coincidence, Cassidy had to end a 2009 station-building spacewalk early because of a potentially dangerous buildup of carbon dioxide in his suit. This marked the sixth spacewalk for the 43-year-old former Navy SEAL, who’s midway through a half-year station stint.

In 1966, two Gemini flights ended up with aborted spacewalks. Gemini 11 spacewalker Richard Gordon, was blinded by sweat. Gemini 9 spacewalker Gene Cernan breathed so heavily and sweated so much that fog collected inside his helmet visor and froze.

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