[FPSPACE] ISS Life Support Now "No-Fault Tolerant" (Next Failure Means Evacuation)?

[JamesOberg@aol.com]

NASA: "We weren't counting on multiple failures." JimO: What was it they said 
they had learned from Russian experience? Boy, do we miss the cargo on that 
cancelled Progress mission now. 

 http://spaceflightnow.com/ops/stage4a/001216scrubber/

Station crew awaits spare parts for air scrubber  //  December 16, 2000
BY WILLIAM HARWOOD, SPACEFLIGHT NOW
     The international space station's air purification system is working 
smoothly, NASA's lead flight director said Friday. But unexpected equipment 
failures during the crew's first six weeks in space have left the astronauts 
just one failure away from a possible forced evacuation.