No way Alpha !! If the Federation weapon took out half the ISD then the other half of the crew would not survive. WHY ????. Because the vacum would suck them all out. Emergency vacum sealing doors would fail ( in my opinion ) because there would be no power, cause half the ship is missing. Igor, The federation ship would just bounce off the ISD cause you can't fly through shields. This has been mentioned in the books loads of times. We also learn that in XWA if you ram a TIE fighter then it takes hull damage and you take shield damage only.