The current (third) round of the graduate school began in 2015 and includes 19 PhD students. It is run in collaboration with IRF (the Swedish Institute of Space Physics) and the effort RIT (Space for innovation and growth). The research subjects represented are Appled Physics, Atmospheric Science, Engineering Materials, Machine Elements, Onboard Space Systems, and Product Innovation.
Link to a collection of the space efforts at LTU.
Here is a movie presenting the Graduate School and all the research pursued in it, from the ground to outer space: