Ten
The fighters detecting the missles begin evasive action maxing the engines and swerving seperating in to completely randomized directions and turning towards the probe each of them begin launching there onboard missles composed of naquada nuclear warheads and firing there main turrets towards the missles as they swarm in oval rings towards the probe making sure to be separated enough to stop secondary explosions.
The now noticeable large ship is clearly a heavy battleship equipped for war and detecting weapons fire begins aiming all 30 head weaponry plus there main cannon towards the target over there broadside as they begin launching the rest of the fighters and firing of 10 of 1 of there 106 broadside missle array of naquada warheads.
It also appears that the ship has begun scanning the surface of the planet for a suitable base location.
(You screwed with the wrong ship, it's the only one with a Mrrshan commander)