CHINA (Fourteenth Air Force): 5 B-25's and 12 P-40's pound docks and warehouses at Shasi, China.
BURMA: The Japanese along the Tarung River are withstanding the efforts of the 112th Regiment, Chinese 38th Division, to advance; the Japanese wipe out a company of the 1st Battalion.
SOUTH PACIFIC THEATER OF OPERATIONS (Thirteenth Air Force): 20 B-24's bomb Kahili Airfield. The 13th Troop Carrier Squadron, 403d Troop Carrier Group, transfers from Tontouta, New Caledonia to Espirtu Santo, New Hebrides with C-47's.
SOUTHWEST PACIFIC THEATER OF OPERATIONS (Fifth Air Force): In support of Allied landings on Bougainville 75 B-25's, with an escort of 70 P-38's of the 8th FG and 49th FG, attack Rabaul airfields and harbor installations; 3 destroyers and 8 merchant sunk: Italy Maru; the B-25's and P-38's claim 12 aircraft destroyed on the ground and 68 shot down; AA and air opposition is the strongest thus far encountered by the Fifth Air Force; 21 US airplanes are lost. For the bombers, 28 men listed as MIA with 7 killed in action. The fighter pilots lost 8 pilots MIA/KIA. Lost are: B-25D 41-30311 (Medal of Honor), B-25C "Tugboat Annie" 41-12998, B-25D "Notre Dame De Victoire" 41-30316, B-25D "Miss Ellen" 41-30039, P-38G 42-12848, P-38H 42-66821, P-38H 42-66843, P-38G 43-2387, P-38G 43-2203.
P-39's pound a road in the Bogadjim area and A-20's bomb and strafe communication routes near Fortification Point. The 418th Night Fighter Squadron, AAF School of Applied Tactics, arrives pat Milne Bay from the U.S. with P-38's and P-70's.
USN - Rear Admiral Merrill's Task Force 39 moves to deny the Japanese access to Empress Augusta Bay. Japanese heavy cruisers and American Cruisers engage in artillery duels. Japanese aircraft also join in the battle.
As part of "Operation Shoestring 2", Task Force 38 including USS Saratoga and USS Princeton attack Buka Airfield and Bonis Airfield, to cover the landings at Torokina. Lost areTBF Avenger 24071, TBF Avenger 06117 (rescued), TBF Avenger 24176 (rescued, one MIA). Damaged is F6F Hellcat 08984 (repaired)
USN submarines sink seven Japanese ships (six of the ships are from one convoy):
- After 0100 hours, USS Seahorse sinks an army cargo ship about 318 nautical miles SE of Kagoshima,
Kyushu Island, Japan, in position 28.20N, 135.22E.
- After 0200 hours, USS Trigger sinks an army transport about 317 nautical miles SE of Kagoshima,
Kyushu Island, Japan, in position 28.20N, 135.20E.
- After 0300 hours, USS Trigger sinks an army cargo ship about 229 nautical miles SE of Kagoshima, Kyushu Island, Japan, in position 28.49N, 134.50E.
- After 0400 hours, USS Seahorse sinks an army cargo ship about 310 nautical miles ESE of Kagoshima, Kyushu Island, Japan, in position 28.40N, 135.25E and an armed transport about 289 nautical miles SE of Kagoshima in position 28.31N, 134.50E.
- After 0900 hours, USS Halibut sinks an army cargo ship about 295 nautical miles SE of Kagoshima in
position 28.20N, 134.48E. at 28-20 N, 134-48 E.
- After 2100 hours USS Haddock sinks a merchant cargo ship about 405 nautical miles SE of Guam,
Mariana Islands, in position 09.18N, 150.09E.
SOLOMON ISLANDS: On Bougainville, the 3d Marine Division is slowly expanding the beachhead and organizing defenses. The 3d Marine Regiment, which has had hard fighting on the right flank, is exchanging places with 9th Marine Regiment. Puruata Island. is cleared by noon.