On September 12, a Japanese force of several thousand attacked the Marines’ perimeter from three directions. The most effect assault occurred south of the perimeter, near a position that became known as Edson’s Ridge. The Marine defenders, including the First Raider Battalion under Col. Merrit Edson, were greatly outnumbered but were on good ground and were supported by highly effective heavy artillery. Join Dave and James as they discuss this latest chapter in the struggle for control of Guadalcanal.