this could give a purpose to making passenger planes.
You can fill up crew cabins with passengers and transport them to numerous airfields over the globe, the more passengers you carry and the further you go, the more money you earn (career mode). also you would get more money if you went really high or to space even with passengers (space tourism).
#passenger transport.
hasty wharf
spring bay
There won't be a currency system. You'll have to use material resources like iron, hydrogen etc. Kerbalkind is a postmonetary society in ksp2.
hasty wharf
it would still be cool for big passengers planes
also the more airfields around the globe would also come in handy
red musk
Would be interesting to have spacr tourism