on the space station. and, leroy, that's a big deal because this isn't like your air conditioning going out on earth. the temperature extremes on that space station are very different from what we experience on earth. >> well, that's right. the cooling is one of the challenges that we have to overcome on the space station. the temperature in tas can be plus or minus 250 degrees fahrenheit depending on whether you're in the sun or in the shade. the cooling system has to deal with that temperature extreme. the external cooling loop was the one affected by this module. it took down the american side of the equipment. >> since the last time we talked, we've had confirmation from nasa that this final space walk finished at 1:40 eastern time, no ammonia leaks were found in the cooling supply, new pump. things should be back to normal right now and they can resume what it is they were doing before they were interrupted by this a little over a week ago. >> that's right. and this is a critical -- this