below the service deck the remaining decks are where the bulky machinery , fuel tanks and the rest of the gubbins that makes a ship tick , are , but for now , the area forward of the bridge was causing a bit of a problem - andrew had specifically stated that he had absolutely no requirement for an anti-aircraft missile system , or even a quick fire multi-purpose gun , so there was now just a big flat area in front of the bridge , where the missiles should have gone , and a hole in the fore deck where the big gun would have slotted in .