Allied missions against Gasmata and Gasmata Airfield
February 11, 1942–March 28, 1944

February 11, 1942
(RAAF) Three Hudsons lead by Wing Commander John Lerew made a mast-height attack on shipping at Gasmata. Over Gasmata Harbor, the three Hudsons bombed Kinryu Maru and Kozui Maru score hits causing damage and casualties aboard both ships. A5M4 Claudes from Chitose Kokutai intercept and shoot down Hudson A16-126 pilot F/O Graham Ian Gibson (KIA) and Hudson A16-91 pilot W/Cdr John Margrave Lerew (survived).

February 13, 1942
(RAAF) Hudsons attack Gasmata and A5M4 Claudes intercept.

February 24, 1942
(IJN) A6M2 Zero pilot F1/C Kokubun from the 4th Kokutai intercepts a B-17 over Gasmata.

May 1, 1942
(5th AF) Three B-26s including B-26 40-1446 from the 22nd Bomb Group armed with either incendiary clusters or 100 pound bombs on a mission to bomb Vunakanau Airfield near Rabaul but inbound to the target experienced bad weather and diverted to bomb the alternate target Gasmata. Without opposition, the bombers made a second pass to strafe the area and before midday returned to 7 Mile Drome.

July 26, 1942
(5th AF) A B-25 strike against Gasmata is repulsed by fighter interception over Buna.

August 9, 1942
(5th AF) B-17s bomb shipping and Gasmata Airfield.

August 24, 1942
(5th AF) B-17s hit Gasmata.

September 16, 1942
(5th AF) B-17s bomb Gasmata Airfield.

October 24, 1942
(5th AF) Aerial photo of Gasmata Airfield.

October 28, 1942
(5th AF) B-25s bomb Gasmata Airfield.

November 3, 1942
(5th AF) B-17s attack a ship south of Gasmata.

November 8, 1942
(5th AF) B-25s bomb the radio station and airfield on Gasmata.

November 17, 1942
(5th AF) B-25s bomb airfield at Gasmata.

November 18, 1942
(5th AF) B-17s attack warships 50 miles southwest of Gasmata.

December 7, 1942
(5th AF) B-17s attack tanker off Gasmata.

December 8, 1942
(5th AF) B-24s bomb the Gasmata Airfield.

December 13, 1942
(5th AF) B-26s hit Gasmata Airfield.

December 14, 1942
(5th AF) Attack against Gasmata Airfield.

December 22, 1942
(5th AF) A single B-24 attacks a transport off Gasmata.

December 24, 1942
(5th AF) B-17s and B-24s hit shipping off Gasmata and Gasmata Airfield.

December 28, 1942
(5th AF) B-24 bomb Gasmata.

December 29, 1942
(5th AF) B-24s also carry out single-bomber attacks on Gasmata Airfield.

December 31, 1942
(5th AF) B-24s operating singly bomb Gasmata Airfield.

January 1, 1943
(5th AF) B-24s and B-17s bomb Gasmata.

January 2, 1943
(5th AF) A-20s, B-24s, B-25s and B-26s hit Gasmata Airfield and targets of opportunity at Gasmata.

January 3, 1943
(5th AF) A lone B-24 strafes Gasmata Airfield.

January 4, 1943
(5th AF) Single plane attack schooners off Gasmata.

January 6, 1943
(5th AF) A single B-24s bombs Gasmata Airfield.

January 7, 1943
(RAAF) PBY Catalinas bomb Gasmata Airfield and unsuccessfully attacked a destroyer.

January 14, 1943
(5th AF) A single B-24s bombs Gasmata.

January 15, 1943
(5th AF) B-24s hit Gasmata Airfield.

January 16, 1943
(5th AF) B-24s carry out single-plane attacks on Gasmata Airfield.

January 17, 1943
(5th AF) B-24s, operating individually, attack Gasmata Airfield.

January 19, 1943
(5th AF) Heavy bombers carry out individual attacks on Gasmata.

January 20, 1943
(5th AF) B-24s, operating singly, attack Gasmata.

January 24, 1943
(5th AF) Single B-24s attack runway at Gasmata Airfield.

January 25, 1943
(5th AF) Single B-24s attack runway at Gasmata Airfield.

January 26, 1943
(5th AF) Single B-24s attack runway at Gasmata Airfield.

January 27, 1943
(5th AF) Single B-24s attack the runway at Gasmata Airfield.

January 29, 1943
(5th AF) Single B-24s attack runway at Gasmata Airfield.

January 30, 1943
(5th AF) Single B-24s attack runway at Gasmata Airfield.

February 2, 1943
(5th AF) B-24s bomb the runway at Gasmata Airfield.

February 3, 1943
(5th AF) B-17s and B-24s attack the runway at Gasmata Airfield.

February 4, 1943
(5th AF) Heavy bombers hit Gasmata Airfield.

February 5, 1943
(5th AF) Heavy bombers carry out individual attacks on Gasmata Airfield.

February 8, 1943
(5th AF) A single B-24 bombs Gasmata Airfield.

February 17, 1943
(5th AF) B-24s, operating individually, strike Gasmata Airfield.

February 19, 1943
(5th AF) B-24s carry out single plane attacks against shipping at Gasmata.
(IJN) In the morning, nine A6M Zeros from the 253 Kokutai took off on a patrol mission and claim a B-24 shot down, likely B-24D "Lady Luck" 41-11901. In the afternoon another nine A6M Zeros from the 253 Kokutai take off on a patrol mission and encounter another B-24 but do not make any claim.

February 20, 1943
(5th AF) B-17s bomb Gasmata Airfield.

February 25, 1943
(5th AF) Heavy bombers hit Gasmata Airfield.

February 26, 1943
(5th AF) B-17s and B-24s bomb Gasmata Airfield.

March 1, 1943
(5th AF) B-17s bomb the runway on Gasmata Airfield.

March 5, 1943
(5th AF) Heavy bombers, operating individually, hit Gasmata.

March 6, 1943
(5th AF) Single B-24s attack Gasmata Airfield.

March 7, 1943
(5th AF) Single B-24s bomb Gasmata.

March 13, 1943
(5th AF) A B-17 bombs Gasmata Airfield.

March 14, 1943
(5th AF) A single B-17s bomb Gasmata.

March 15, 1943
(5th AF) B-17s, on single-plane flights bomb Gasmata.

March 19, 1943
(5th AF) A single B-17s bomb Gasmata.

March 22, 1943
(5th AF) Heavy bombers pound the Gasmata Airfield.

March 23, 1943
(5th AF) Single B-24s attack Gasmata Airfield.

March 24, 1943
(5th AF) B-25's and B-17's, operating individually, attack targets of opportunity at Gasmata.

March 25, 1943
(5th AF) Single B-17s hit Gasmata.

March 28, 1943
(5th AF) Medium and heavy bombers on individual missions attack Gasmata.

March 29, 1943
(5th AF) A lone B-17 bombs the Gasmata Airfield.

March 30, 1943
(5th AF) B-24's hit Gasmata.

April 1, 1943
(5th AF) B-17's attack Gasmata Airfield.

April 2, 1943
Single B-24's hit Gasmata Airfield.

April 6, 1943
(5th AF) Single B-24's hit Gasmata Airfield.

April 12, 1943
(5th AF) B-24's and B-17's pound Gasmata Airfield.

April 15, 1943
(5th AF) B-17's pound the Gasmata Airfield.

April 19, 1943
(5th AF) Single medium or heavy bombers bomb Gasmata.

April 21, 1943
(5th AF) Single B-17's attack coastal villages in NE New Guinea and hit Ubili and Gasmata.

April 27, 1943
(5th AF) Heavy bombers, operating individually, attack vessels off Gasmata.

April 30, 1943
(5th AF) Single B-24's bomb Gasmata.

May 3, 1943
(5th AF) B-25s strafe Gasmata Airfield.

May 5, 1943
(5th AF) B-24 bomb Gasmata Airfield.

May 9, 1943
(5th AF) B-25's hit Gasmata Airfield.

May 12, 1943
(5th AF) Single heavy bombers hit Salamaua and Gasmata.

May 13, 1943
(5th AF) 38th BG B-25's blast the airfield, town area, and targets of opportunity at Gasmata.

May 14, 1943
(5th AF) B-25's administer a thorough pounding to the airfield and surrounding area at Gasmata.

May 15, 1943
(5th AF) B-25's pound Gasmata Airfield. Later, a single heavy bomber hits Gasmata.

May 17, 1943
(5th AF) B-25's bomb Gasmata. Also, B-17E Loose-Goose 41-2609 on an armed reconnaissance mission over New Britain. Over Gasmata Airfield observesSolomon Sea five parked bombers and three fighters then makes a low pass to attack a ship in in Thilenius Harbor (Gasmata Harbor) when hit by machine gun fire and was damaged but returned safely.

May 18, 1943
(5th AF) Heavy bombers, operating individually, hit Gasmata.

May 19, 1943
(5th AF) B-24s hit Gasmata Airfield.

May 20, 1943
(5th AF) During the night of 20/21 May Gasmata Airfield and surrounding areas are hit by A-20's and B-17's during the day.

May 21, 1943
(RAAF) After midnight, nine Beauforts from No. 100 Squadron bomb Gasmata Airfield causing small fires and explosions and dump areas around Gasmata. Lost is Beaufort A9-188 pilot FlgOff David J. Forrest (MIA), loss was "assumed to have been shot down by night fighters", but there is no evidence of any Japanese night fighter operating over this area on that date.
(5th AF) B-24s bomb Gasmata Airfield.

May 23, 1943
(5th AF) B-24's and B-17's hit Gasmata Airfield.

May 24, 1943
(5th AF) B-25's hit the runway at Gasmata Airfield.

June 11, 1943
(5th AF) B-24's bomb targets of opportunity at Gasmata.

June 13, 1943
(5th AF) B-17's and B-24's bomb airfields in the Rabaul area and at Gasmata.

August 10, 1943
(5th AF) Six A-20s bomb and strafe Gasmata.

August 12, 1943
(5th AF) A-20's bomb and strafe Gasmata and nearby barges.

August 25, 1943
(5th AF) A-20's hit Gasmata.

August 29, 1943
(5th AF) A-20's hit dumps at Gasmata.

September 4, 1943
(5th AF & RAAF) A-20's and Royal Australian Air Force planes hit Gasmata Airfield. Supporting P-38's intercept 100+ enemy fighters and bombers, which are airborne despite the attacks on airfields, and claim 20 shot down. Lost is Beaufort A9-204.

September 5, 1943
(RAAF) Ten Beauforts from No. 100 Squadron bomb Gasmata Airfield. Lost are Beaufort A9-374, Beaufort A9-183 and Beaufort A9-186.

September 7, 1943
(5th AF) A-20's hit Gasmata area.

September 9, 1943
(5th AF) Photo reconnassiance flight.

September 12, 1943
(5th AF) A-20's bomb a radio station on Gasmata.

September 21, 1943
(5th AF) A-20's and RAAF aircraft bomb Gasmata.

September 22, 1943
(5th AF) B-24's and B-25's bomb Gasmata Airfield.

September 25, 1943
(5th AF) P-40's bomb Gasmata.

October 1, 1943
(5th AF) B-25's strafe a power boat near Gasmata.

October 2, 1943
(5th AF) B-25's strafe barges off Gasmata.
(USN) A PT-Boat from Kiriwina lands an group of Australian, American and natives at Ablingi Harbor to the west of Gasmata to collect intelligence for two weeks, and afterwards successfully extracts them.

October 13, 1943
(5th AF) B-24's hit targets including Gasmata.

October 16, 1943
(5th AF) A-20's bomb and strafe Gasmata.

October 19, 1943
(5th AF) A-20's and RAAF airplanes bomb Gasmata.

October 20, 1943
(5th AF) A-20's hit Gasmata.

October 21, 1943
(5th AF) P-40's bomb Gasmata.

October 22, 1943
(5th AF) 50+ P-40's hit Gasmata.

October 27, 1943
(5th AF) A-20's hit harbor and supply dump area at Gasmata.

October 28, 1943
(5th AF) P-40's hit Gasmata.

November 6, 1943
(5th AF) P-40's hit Gasmata.

November 9, 1943
(5th AF) P-40's bomb dumps on Gasmata.

November 13, 1943
(5th AF) B-24's hit Gasmata.

November 20, 1943
(5th AF) 50 B-24's bomb Gasmata.

November 21, 1943
(5th AF) 90th BG B-24's bomb Gasmata.

November 22, 1943
(5th AF) 100+ B-25's and B-24's bomb Gasmata.

November 24, 1943
(5th AF) 20+ B-24's, supported by P-38's, bomb Gasmata.

November 26, 1943
(5th AF) B-24's bomb Gasmata.

November 29, 1943
(USN) TG 74.2 under the command of Captain Frank R. Walker with two U.S. destroyers and two Australian HMAS Arunta (I30) and HMAS Warramunga (I44) shell Japanese positions at Gasmata.

December 13, 1943
(5th AF) 100+ B-24's and B-25's and several P-40's bomb Gasmata.

December 14, 1943
(5th AF) Gasmata is hit by B-25's and B-26's. Later, B-24s on armed reconnaissance hit Gasmata.

December 15/16, 1943
(5th AF) PT 131 and PT 133 shoot down a Japanese four-engined flying boat off Gasmata.

December 19, 1943
(5th AF) 37 P-40's hit Gasmata.

December 23, 1943
(5th AF) P-40's bomb Gasmata.

January 13, 1944
(5th AF) B-24's bomb Gasmata.

January 20, 1944
(5th AF) A-20s hit barge hideouts and enemy held areas on Gasmata.

January 23, 1944
(5th AF) A-20's hit forces and AA positions near Cape Raoult and Gasmata.

January 25, 1944
(5th AF) P-40's and A-20's hit Gasmata.

February 5, 1944
(5th AF) B-24s bomb Gasmata, after weather prevents an attack on Kavieng.

March 17, 1944
(USN) PT-143 entered the harbor after observing no enemy activity. They even tied up to the jetty and inspected the area on foot, and reported back to base that the Japanese had withdrawn from the area.

March 28, 1944
(Australian Army) Australian Army troops occupy the Gasmata area.