Both Moscow and Houston Mission Control Centers have been tracking a tiny air leak for several months. A few weeks ago our crew isolated in the Russian segment of @Space_Station and closed as many hatches as possible in order to identify the location of the leak.

Strangely the data did not point us to any particular location. Yesterday and today, Anatoly and I have been checking all of the window seals (not #navyseals) for any indication of a leak using an ultrasonic leak detector.

So far no luck finding the source, but it looks like we will try again with the module isolation this weekend. No harm or risk to us as the crew, but it is important to find the leak we are not wasting valuable air.