Originally posted by karajorma
The only way out of the mission is to form up with the EAS Hood after it arrives.
The Hood arrives when the area is considered secure.
The area is considered secure once you've killed all the enemy fighters including the ones released by the raider carrier after you disabled it.
Except that if you didn't disable it, it won't have launched the fighters, so the Hood won't appear and you'll sit there like a lemon waiting for the mission to end.
In similar fashion if you manage to destroy the Medusa before disabling it you'll get the same error.