Hello! This is my first add-on, the Space Station Hercules!
 Space Station Hercules is actually 3 space stations docked together: ISS, Mir and Kulch's Mir-2. There is also a module that can be undocked/relocated called the Tranzit Space Tug, also by Kulch.
WARNING!!!!!!!!!!!!!
You MUST also have added the ffg. add-ons:
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DanSteph's DeltaGlider-IV
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Kulch's Mir-2
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Kulch's Space Tugs
These are all available on Orbithangar.
Special thanks to DanSteph and Kulch for creating such wonderful add-ons!
Also thanks to  Martin Schweiger for creating the simulation I have always dreamed about!