By dawn of 26 August, advancing west along the coast with armoured support, the Japanese had reached the main position manned by troops from B Company, 61st Infantry Battalion, around KB Mission.
The Japanese force moved through the jungle at the edge of the coastal track, and was headed by two light tanks.
Although they lacked anti-armour weapons, the Australians were able to turn back the Japanese attack.
At this stage, the Japanese suffered a serious setback when their base area was heavily attacked at daylight by RAAF Kittyhawks and a Hudson aircraft, along with B-25s, B-26s and B-17s from the US Fifth Air Force.
As a result of the attack, a number of Japanese troops were killed, while a large quantity of supplies was destroyed, as were a number of the landing barges which were beached near the KB Mission.
Aside from severely hampering the Japanese supply system, the destruction of the landing barges also prevented their use to outflank the Australian battalions.
The Japanese did not have any air cover as the fighters based at Buna which were to patrol over Milne Bay were shot down by Allied fighters shortly after they took off and other aircraft based at Rabaul were forced to turn back due to bad weather.

Nevertheless, the Japanese were still pressing on the 61st Infantry Battalion's positions throughout the day.
Field, who had command responsibility for the local area, decided to send two platoons from the 25th Infantry Battalion to provide support.
Later, the remaining two rifle companies from the 61st were also dispatched, along with their mortar platoon.
The muddy track meant that the Australians were unable to move anti-tank guns into position; however, as a stop-gap measure quantities of sticky bombs and anti-tank mines were moved up to the forward units.
At 4:45 pm, with air and artillery support, the Australians launched a minor attack upon the Japanese forward positions which were located about 600 yards (550 m) to the east of the mission, pushing the Japanese back a further 200 yards (180 m).
Weary from the day's fighting, though, they withdrew to Motieau, west of the mission.

The Australians then attempted to break contact and withdraw towards a creek line where they hoped to establish a defensive line as darkness came.
The Japanese stayed in close contact with the Australians, harassing their rear elements.
The men from B Company then sought to establish their position, while the 2/10th Infantry Battalion made preparations to move eastwards towards Ahioma, passing through the lines of the 25th and 61st Infantry Battalions.
In the early evening, Japanese ships shelled the Australian positions and later, at 10:00 pm, the Japanese launched a heavy attack on the Australians which continued sporadically through the night.
By 4:00 am the following morning, the Japanese began to employ infiltration and deception techniques to try to outflank the Australian positions.
Anticipating an armoured attack at dawn, the Australians withdrew back to the Gama River, which was situated 1 mile (1.6 km) to the west.
During the night, the destroyer Hamakaze entered the bay to make contact with the Japanese troops and land supplies.
The landing force had been out of radio contact since 2:00 pm, and the destroyer was unable to raise it with either her radio or visual signalling devices.
As a result, Hamakaze departed Milne Bay at 2:30 am without having landed any supplies.

Shortly after dawn, in the air, a Japanese force consisting of eight dive bombers with 12 Zero fighter escorts attacked the Allied airfield at Gili Gili.
One of the attacking aircraft was shot down, while only a small amount of damage was inflicted.
Meanwhile, around the mission as the Japanese reconnoitred Australian positions, the 2/10th Infantry Battalion, consisting of just 420 men, was ordered to the Gama River by Clowes.
This operation was badly planned and did not have a clear purpose; it was launched as both a reconnaissance in force and a counter-attack, but evolved into an attempt to establish a blocking force at KB Mission.
Moreover, while the Aust
By dawn of 26 August, advancing west along the coast with armoured support, the Japanese had reached the main position manned by troops from B Company, 61st Infantry Battalion, around KB Mission. The Japanese force moved through the jungle at the edge of the coastal track, and was headed by two light tanks. Although they lacked anti-armour weapons, the Australians were able to turn back the Japanese attack. At this stage, the Japanese suffered a serious setback when their base area was heavily attacked at daylight by RAAF Kittyhawks and a Hudson aircraft, along with B-25s, B-26s and B-17s from the US Fifth Air Force. As a result of the attack, a number of Japanese troops were killed, while a large quantity of supplies was destroyed, as were a number of the landing barges which were beached near the KB Mission. Aside from severely hampering the Japanese supply system, the destruction of the landing barges also prevented their use to outflank the Australian battalions. The Japanese did not have any air cover as the fighters based at Buna which were to patrol over Milne Bay were shot down by Allied fighters shortly after they took off and other aircraft based at Rabaul were forced to turn back due to bad weather.
Nevertheless, the Japanese were still pressing on the 61st Infantry Battalion's positions throughout the day. Field, who had command responsibility for the local area, decided to send two platoons from the 25th Infantry Battalion to provide support. Later, the remaining two rifle companies from the 61st were also dispatched, along with their mortar platoon. The muddy track meant that the Australians were unable to move anti-tank guns into position; however, as a stop-gap measure quantities of sticky bombs and anti-tank mines were moved up to the forward units. At 4:45 pm, with air and artillery support, the Australians launched a minor attack upon the Japanese forward positions which were located about 600 yards (550 m) to the east of the mission, pushing the Japanese back a further 200 yards (180 m). Weary from the day's fighting, though, they withdrew to Motieau, west of the mission.
The Australians then attempted to break contact and withdraw towards a creek line where they hoped to establish a defensive line as darkness came. The Japanese stayed in close contact with the Australians, harassing their rear elements. The men from B Company then sought to establish their position, while the 2/10th Infantry Battalion made preparations to move eastwards towards Ahioma, passing through the lines of the 25th and 61st Infantry Battalions. In the early evening, Japanese ships shelled the Australian positions and later, at 10:00 pm, the Japanese launched a heavy attack on the Australians which continued sporadically through the night. By 4:00 am the following morning, the Japanese began to employ infiltration and deception techniques to try to outflank the Australian positions. Anticipating an armoured attack at dawn, the Australians withdrew back to the Gama River, which was situated 1 mile (1.6 km) to the west. During the night, the destroyer Hamakaze entered the bay to make contact with the Japanese troops and land supplies. The landing force had been out of radio contact since 2:00 pm, and the destroyer was unable to raise it with either her radio or visual signalling devices. As a result, Hamakaze departed Milne Bay at 2:30 am without having landed any supplies.
Shortly after dawn, in the air, a Japanese force consisting of eight dive bombers with 12 Zero fighter escorts attacked the Allied airfield at Gili Gili. One of the attacking aircraft was shot down, while only a small amount of damage was inflicted. Meanwhile, around the mission as the Japanese reconnoitred Australian positions, the 2/10th Infantry Battalion, consisting of just 420 men, was ordered to the Gama River by Clowes. This operation was badly planned and did not have a clear purpose; it was launched as both a reconnaissance in force and a counter-attack, but evolved into an attempt to establish a blocking force at KB Mission. Moreover, while the Aust
Battle of Milne Bay