Good idea, except that's not quite how it worked in Star Wars. There was no one painting the exhaust port with a laser beam on the Death Star.
I'm very curious to see if the developers make anything of this. It'd be quite fun to have in-game.
This might work on space maps as well.. A recon can get onto an enemy ship and can plant a beacon on it to make it an easier target for torpedoes to hit.
I had this idea for the late Warp mod. It featured an invisible small ship called a "Stealth Ship", which primary feature was its invisibility. Now, I suggested that this ship might have a laser beam with which to "paint" the cap ship it had sneaked up on. Then another class of cap ships would have heavy, long-range torpedoes that were usually unguided, but which could lock on to ships that had been "painted" with a laser beam.
This would allow for a stealth ship to sneak up on a big cruiser and paint it, for then to have the torpedo-carrying cap ship let loose a torpedo salvo from far, far away and blow the target to smithereens.
I don't think anything similar can be applied to Star Wars, but I felt like sharing it nonetheless.
So like on a Hoth map, an imp would have to get in close and setup a laser beacon on the power plant. Then you could target the beacon with the torpedoes from your ship.
The developers have stated that there won't be Imperial fighters on Hoth as they'll be doing their utmost to stick with Star Wars lore. It looks like the Rebels will be enjoying total air superiority, unlike in GC.
"One of the bitches actually gave birth while she was attacking, and her puppies joined in on the carnage."
--the awesomeness that is Boatmurdered.