So has no one realized that these 5 spawn locations in the southern area is just a troll? You can't even get to the area south of the PVP dome. There is only one spawn location for the gree defender and it is in the dome.
VERY incorrect! I've seen - and killed - it there 3 times. There is a tunnel from the PvP center that leads you all the way south; also a Lore Item at the old Republic base.
Try exploring a bit more on your own, before trolling yourself! :P