A few of our friends and supporters have been in Europe this past week and we were able, with the help of Zeppelin Luftschifftechnik, to have them take a peek at progress on NT 07 #4, under construction. As NT 07 #3 is undergoing annual maintenance, as previously reported, the hangar is already rather full with #3 and all her helium storage bags.As you can see from this picture, the envelope for #4 is now undergoing pressure testing, and so with the entire frame for #4 also in the hangar, it's really getting a bit crowded in there!
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