Yeah, they've done away with many of the steam systems on the new carriers (including the catapult launch system, which is now electric). If you're trying to m

Yeah, they've done away with many of the steam systems on the new carriers (including the catapult launch system, which is now electric). If you're trying to minimize energy (particularly steam) usage, then RO starts to make a bit more sense. On the Nimitz class, they have plenty of waste heat from the powerplant, and already had numerous steam distributions systems in place.