Interstellar Fuel Switch (IFS) is meant for players and makers which want to add resource/mesh/texture switching to their tanks but it also applies a script to all stock Fuel tanks allowing you to switch between a few common resources Interstellar Fuel Switch offers improved versions of FSFuelSwitch, FSMeshSwitch and FSTextureSwitch, FSTextureSwitch2 and  FSinfoPopup made by Snjo. Features: - Improved persistence in VAB and in Flight - Improved Multiple