10 Jan 1943

- USS Argonaut attacked a Japanese convoy of five freighters and three destroyers southeast of New Britain, en route from Lae, New Guinea to Rabaul, New Britain. She hit one destroyer with a torpedo, but the other two closed in and sank her with depth charges and gunfire. 102 were killed, which was the worst submarine loss in WW2. ww2dbase [Argonaut (Argonaut-class) | CPC]
- The US Army 25th Division launched an offensive out of the Hill 66 area between the northwest and southwest forks of the Matanikau River on Guadalcanal, Solomon Islands. ww2dbase [Guadalcanal Campaign | CPC]
- Japanese troops again halted a British assault at Donbaik, Burma. ww2dbase [First Battle of Arakan | CPC]
- USS Runner arrived at Pearl Harbor, US Territory of Hawaii. ww2dbase [Pearl Harbor Navy Base and Ford Island Naval Air Station | Runner (Gato-class) | Pearl Harbor, Oahu | CPC]
- USS Whale arrived in the Marshall Islands. ww2dbase [Whale | CPC]
- While approaching Nouméa, New Caledonia, destroyer USS Shaw struck the Sournois Reef and became hard aground. ww2dbase [Shaw | Nouméa | DS]
- Another Soviet offensive, Operation Ring, began at Stalingrad, Russia. ww2dbase [Battle of Stalingrad | Stalingrad | TH]
- The BI-2 rocket-powered prototype aircraft took its first flight at Sverdlovsk (now Yekaterinburg), Sverdlovsk Oblast, Russia (the second flight of the design), reaching an altitude of 1,100 meters and reaching the speed of 400 kilometers per hour. ww2dbase [BI | Sverdlovsk | CPC]
- The Fairey Barracuda torpedo and dive bomber began its operational service with the Royal Navy's Fleet Air Arm with the delivery of twelve Barracuda II aircraft to the reformed No. 827 Squadron. ww2dbase [Barracuda | AC]


10 Jan 1943 Interactive Map
Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis
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