On these web sites you can see some aerospace pictures.

The new question : 

What do you mean - which kind of event take place here.


If you know the correct answer and if you e-mail me this answer until 1th of February 2019 you will receive a dvd-edition with even more information on electroless nickel, free of charge. 

email : DocGD@web.de

But also after 1th of February 2019 a new riddle will follow. Tale potluck ! 

                                     ... german shuttle missions ...                                                  


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