The star base was a terran building to be featured in StarCraft II. An upgrade from the starport, it was permanently flying, yet maintained the ability to create all of the terran flying units. At BlizzCon 2007 the units were predator, dropship (not to be confused with the medivac dropship which did not exist at the time), Banshee, Nomad (Raven's predecessor) and battlecruiser. It had an ability called "Re-Arm" which granted energy to some nearby units.