Talk:CR90 Corvette (Fore)/@comment-50.71.246.242-20170907220033/@comment-25498301-20170908060551

Here's a section from the Turret Primary Weapons in the Huge Ship rules that answer both your questions:

When that ship attacks with its turret primary weapon, it may target an enemy ship inside or outside its firing arc, and it measures range from the corresponding section’s base. When that ship targets a ship outside of its firing arc, measure a line from the exact center of the chosen ship’s base to the exact center of the huge ship’s corresponding base. If this line is not obstructed by the blue center line on the huge ship’s token, the huge ship can declare the chosen ship as the defender.