You wouldn't expect Battlestar Galactica to appear on Foreign Policy, however, in this interview with Naval analyst Chris Weuve, it is fascinating to discover that the show actually got lots right about space warfare.
I don't think "concerned" is the right word. Let's call it amused. Aircraft carriers are a particularly good model to illustrate how the differences between the ocean and the air really drive how naval combat works, and hence don't work so well when converted to space. An aircraft carrier is built around three things: the flight deck, which functions as the airplanes' doorway between the sea and the sky, and also the parking lot for the airplanes; the hangar deck, where essential aircraft maintenance is carried out; and the propulsion spaces, because you really want that flight deck to be moving fast to generate wind over the deck, which in turn makes it easier to land and take off. Everything about the "airport" aspects of an aircraft carrier point towards making it big: big engines, and big flight deck that is also elevated away from the turbulence of the ocean surface. So, since you need a big ship anyway, we decide to put a lot of planes on, plus extra fuel, command and control facilities, a hospital, a post office, and so on. You name it, an aircraft carrier has it.
But in space, you don't need that doorway between the sea and the sky, because your "fighter" is operating in the same medium as the mothership. You don't need a flight deck. You just need a hatch, or maybe just a clamp that attaches the fighter to the hull if you don't mind leaving it outside. You don't need the big engines or the big elevated flight deck. And hence it doesn't make nearly so much sense to put all of your eggs in one basket. There might still be some efficiencies in grouping them together, but the fighters are probably more analogous to helicopters rather than F-18s. Almost every ship in the U.S. Navy carries a helicopter, or at least could temporarily.
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