Originally posted by Raptor
As for the Bridge, well, we're never told where the bridge is cannonically, but I've always been partial to a (slightly) exposed bridge.
I think the Gundam saga had the perfect solution for the bridge exposure problem:
The ships were actually built with 2 bridges, a panoramic bridge that allowed a great overview of the surrounding area, and a battle-bridge ('sentou-bridge'), which was well armored and deeper in the hull.
When the ship entered grave combat, the bridge personal could quickly move from one to another, 'cause the seats were railed to allow quick tranfer. They also put on normal-suits (spacesuits that offered a tad more protection), so a hull-break wouldn't kill anyone.
I think the same method could be used by corvettes, while cruisers would have only a semi-exposed bridge more heavily armored than the observation-bridge of a corvette.
Destroyers would only have a heavly armored bridge deep in the hull of the ship, with several observation stations to give visual aid. - Those ships are too big anyway to be overseen by a single bridge.
That said big ships could have a secondary bridge - the Aeolis would greatly benefit from a secondary, "tactical"-bridge on its aft section.
A Hecate could have 3 of these tacical/observation bridges (fore, aft-high and low) and a main bridge deep in the hull.