My first addon,
This gives you a scenario of a populated universe. with lots of stuff to do, explore europa with the rover, or rendevous with a space fleet!
Requires,
UCGO,
OrbiterSound,
UMMU,
UCGO Shuttle A,
UMMU and UCGO compatible ISS,
Space Rescue ISRU,
UMMUFA
Thanks to:
Martin Schweiger for the great space flight simulator ORBITER
Dansteph for most of the Items in the scenario