Well, the tech to build an airship could have been around for a good time before the explode-y time.  The ship could have been flying for years before.  It's possible that it was just some rich guy's flying yacht before, and was converted and jury-rigged into this flying<del>abomination</del>home we have now.<br/><br/>Just sayin'.<br/><br/>And I'm sure if one of these hetero girls gets caught at an idyllic jungle pool trying to cool off in the water fall, they could be convinced into a shoulder rub.