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 battalion was to move west along the New Strip to deal with the opposition along its northern edge, and only one battalion was to advance north along the coast through the Plantation. The battalion in reserve would be ready to support either attack. Bren-gun carriers which had been counted on to spearhead the attack failed to arrive because of a shortage in shipping.

The infantry, attacking at dawn, made almost no progress. Leading the push north through the Plantation, A Company, 128th Infantry, ran into a log barricade on its right, while its left platoon was held up by automatic fire. It tried to knock out the barricade by mortar fire, but failed. Then a 37-mm gun was brought up for direct fire on the obstacle, but still the company could not advance. By noon the men were digging in where they were, and at nightfall B Company relieved them squad by squad.

Two companies of the 1st Battalion, 126th Infantry, pushed toward the eastern end of the New Strip but fared little better. C Company, advancing west on the south edge, was stopped when it was halfway along the strip by heavy fire coming from the north across the open field. It was apparent that Japanese defenses, concealed where the Duropa Plantation surrounds the spur which juts off northeast from the strip, commanded all the neighboring cleared ground. B Company reached the southeastern tip of the New Strip but got no farther.

At the conclusion of the attack on 30 November, the Warren Force had not penetrated the main line of enemy defensive positions, which was not to be cracked until tanks were employed on 18 December. Through the Duropa Plantation, from the sea to the north end of the little spur off the New Strip, the Japanese had a strong line of bunkers, each surrounded by individual emplacements linked with the main bunker by trenches. The western end of this line, just northwest of the spur, formed an almost impregnable strongpoint with fields of fire to the east across the spur, to the south across the New Strip, and to the west across the open ground north of the New Strip.

In many ways this strongpoint was the key defensive position in the Plantation area. As long as the enemy held it, the line to the coast could not be turned on its western extremity; frontal assault by infantry supported only by mortar and artillery fire proved unsuccessful time and time again. When the enemy defenses at the bridge on the Simemi-Buna trail over Simemi Creek were explored in the 34