have three stations now: 1. Mün Science Station used for -> refueling mum lander/ storing science and sending it to kerbin 2. LKO station (still in building phase) used for -> refueling interstellar space ships/home for kerbals/testing OKS/MKS 3. LMinimusO station (still in building phase) used for -> making fuel for LKO station (transported with tanker) using karbonite and ore transformer hope you like it