我也觉得pylon这个翻译不对,但是也不是舱门式。
根据维基百科:Free-fall stores and sometimes missiles and rockets are suspended from an ejector rack, which may be an integral part of or mounted on a pylon, which is in turn mounted in the hardpoint
导弹装在pylon上,pylon装在飞机上。因此和隐形什么的没关系。可以看这里的图http://www.zivko.com/ZIVKO/pylons.html 这就是pylon。所以目前不确定该怎么翻译