This actually makes me think these people are unserious. This is an obsolescent airship design. ZeppelinNT, Airlander 10, and Lockheed P-719 all use the semi-ri

This actually makes me think these people are unserious. This is an obsolescent airship design. ZeppelinNT, Airlander 10, and Lockheed P-719 all use the semi-rigid design with integral gas bags.