Dandy’s world AU

It’s UC 0079, at the lunar sector, a war is brewing, the light cruiser salamis came in contact with two kelperia class heavy frigates(killer whale green ships with two portion beam turrets lined on each side of the hull, weak spot- bridge) you are captain Shelly, you can choose to be friendly to contact the aliens or open fire with your compression laser and start a planetary war which ultimately lead to the destruction of the planet of dandy. (Enemy Ships - kelperia, carapace) (Your ship - salamis - 290 m long, armaments - 3 twin gun compression laser turrets, 4 unguided torpedos, one spinal wave motion releaser which obliterates battleship head on but has long charging time)