Probing of the enemy defenses continued on the 19th, when a platoon of I Company, circling east and north from Fisk, ran into a Japanese perimeter at "U." F Company had by this time bypassed "T" and fought its way southward along the road to the north side of Perimeter "U." Reconnaissance in force had now explored the ground between our two main positions, and the general outlines of the three main enemy perimeters were known. Preparations were made for an attack on the 20th, intended to overrun the three perimeters from south to north, beginning with "U." Just after noon, the 25-pounders fired 250 rounds on the target area while the mortars in Huggins fired 750 rounds, and the machine guns of M Company from Fisk combed the trees and brush. Just as this preparation ended and I Company was poised to rush forward from the south, a mortar short killed Capt. Duncan V. Dupree and 1st Sgt. James W. Boland, while a sniper got one of the platoon leaders. The company hesitated for a moment, then went in to attack, but the effect of the bombardment was lost. The enemy had slipped out of his bunkers into firing positions and our attack was stopped.
Next morning at 1035, A and K Companies followed closely a perfectly timed concentration of artillery, mortar, and machine-gun fire into Perimeter "T," breaching the defenses and fanning out inside. This softened the resistance in front of B and C Companies which were facing "S," and all 4 companies were able to sweep south to the road by 1120, mopping up both "S" and "T." Our shell fire killed many Japanese and kept the rest inside their bunkers until our infantry were close enough to throw grenades into the firing slits and entrances or shoot down survivors as they crawled out like rats from a hole. After this attack 525 enemy dead were counted. Many showed evidence of starvation and disease. Outposts were placed along the road and most of our troops returned to Perimeter "AD" for supplies and rest.
Just before daybreak on the 22d, 31 Japanese, the remnant of 500 fresh troops landed 10 days earlier near Giruwa, were killed in front K Company's bivouac on the road. A lone prisoner reported that some 200 of this outfit had been lost through battle casualties near Sanananda and through disease; a group sent to reinforce the defenders of the road positions had arrived too late; he and his companions had been trying to escape westward.
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