December 12, 1943
(13th AF, USN) AAF fighters cover USN dive bomber attacking targets in the
Porton area.
December 13, 1943
(13th AF) 17 B-25's bomb Porton escorted by fighters.
December 18, 1943
(13th AF) 19 B-24s hit targets in the Chabai-Porton
area.
December 22, 1943
(13th AF) B-24's attack
barge concentrations and hide-outs in the Porton
area. B-24's, operating individually and in pairs, attack targets of
opportunity near Porton.
April 30, 1944
(13th AF) Ten P-39s bomb Porton Plantation.
May 5, 1944
(13th AF) P-39s hit buildings at Porton.
May 6, 1944
(13th AF) Nineteen P-40s attack targets
in the Porton area.
May 8, 1944
(13th AF)
P-39s and P-40s hit areas around Porton.
May 9, 1944
(13th AF) P-39s and P-38s hit barges in the Porton-Chabai area.
May 10, 1944
(13th AF) P-40s attack the general area of Porton
Plantation.
May 11, 1944
(13th AF) P-39s, P-40s, and P-38s (flying a total
of 18 missions) attack a variety of targets, including Porton.
May 13, 1944
(13th AF) P-39s and P-40s attack Porton.
May 18, 1944
(13th AF) Ten
P-39s hit barges off Porton.
May 19, 1944
(13th AF, USN) 20 AAF fighters
and a few USN aircraft bomb targets including Porton.
May 25, 1944
(13th AF) 15 B-25s, 32 P-39s and P-40s, and 25 USN dive bombers hit supply areas
at Porton.
May 26, 1944
(13th AF) P-39s and P-40s hit supply
areas and other targets at Porton.
June 3, 1944
(13th AF) P-39s turned back from the Rabaul area hit the Tsundawan-Porton road.
May 30, 1945
(Australian Army) General Stanley G. Savige
Commanding Officer (C. O.) II Corps took a reconnaissance flight over northern Bougainville and observed pillboxes and bunkers surrounding tracks and roads and believed an amphibious landing at Porton would bypass these defenses and capture a line from Porton Plantation to Chindawon.
June 8, 1945
(Australian Army) At 3:00am three Landing Craft Assault (LCA) plus three Australian Landing Craft 15 (ALC15) departed Soraken and proceeded northward for Porton transporting a force of 190 Australian Army troops made an amphibious landing at Porton Plantation including A Company under Captain Downs, 14 Platoon from C Company, a detachment of mortars, an anti-tank gun, Vickers machine gun section and a detachment of engineers from 16 Field Company, a forward observer party from the 4th Field Regiment and a detachment from the 19th Field Ambulance supported by signals and supply personnel. The force would have artillery support from 12 Battery, 4th Field Regiment at Soraken.
June 9, 1945
(Australian Army) In the early hours, the Japanese made a heavy counter attack that penetrated the Australian perimeter and forced them to withdraw near the beach. Meanwhile, the 42nd Landing Craft Company were sent to rescue them and despite increased enemy fire managed to withdraw sixty men. During the night further attempts were made to take off the remainder but only partial success was achieved.
June 10, 1945
(Australian Army) Under cover of a heavy bombing attack and a continuous artillery barrage, landing craft reached the beach in the late afternoon and during that night the withdrawal was completed.
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