In the North Atlantic 300-500 miles East of the tip of Greenland, U-432 sinks American SS Pennmar at 1.44 AM (1 man is crushed between a raft and the ship and another drowns, 59 survivors picked up later in the day by US Coast Guard cutter USCGC Bibb), U-617 sinks Belgian SS Roumanie at 1.58 PM (36 crew and six British gunners killed, chief engineer Suykerbuyk is found on a raft and taken prisoner by U-617) and U-619 sinks American SS John Winthrop with 5 torpedoes and the deck gun (all 39 crew and 13 gunners lost).
At Stalingrad, German 94th Infantry and 24th Panzer Divisions wipe out the Soviet defenders in the pocket in South of the city. Furious at the delay in taking Stalingrad and lack of success reaching oilfields in the Caucasus, Hitler dismisses General Halder as OKH Chief of Staff, replacing him with General Kurt Zeitzler.
In the Mediterranean, Greek submarine RHS Nereus sinks small Italian freighter Fiume 7 miles Southwest of Rhodes. At 11.35 PM 36 miles Southwest of Tiros, Lebanon, U-561 sinks Egyptian Sailing ship Sphinx with 22 rounds from the deck gun.
Off the coast of British Guyana, South America. American SS Antinous (torpedoed yesterday by U-515) is taken in tow by British rescue tug HMS Zwatre Zee (most powerful tug in the world at 4200 Horse Power) but is sunk at 6.25 PM by U-512. At 9.24 AM, U-175 sinks American SS West Chetac (22 crew and 9 gunners drown trying to abandon ship, 17 crew and 2 gunners on 3 rafts picked up on October 1 20 miles off Trinidad by US destroyer USS Roe and landed at Port of Spain).
At 1.30 PM, a Japanese fighter spots Australian destroyer HMAS Voyager beached at Betano Bay, East Timor. At 4 PM, Japanese bombers return and damage HMAS Voyager beyond recovery (no casualties) but the 400 Australian commandos (2/4th Independent Company) have already landed safely.
On Guadalcanal, Japanese General Kawaguchi has regrouped 4000 troops (following the failed assault on Edson’s Ridge 10 days ago) in the Matanikau Valley, 5 miles West of the US positions at Henderson Field. US Marine General Vandegrift sends out 2 battalions to ‘mop up’ what he believes are only 400 Japanese in Matanikau Valley (Colonel ‘Chesty’ Puller 1st Battalion, 7th Marine Regiment will go inland over 1200-foot high Mont Austen while 1st Raider Battalion under Colonel Samuel Griffith takes the coastal route into the Valley).
US bombers Douglas Dauntless dive bombers from Henderson Field (Marine squadron VMSB 231 and Naval squadron VS 3) attack Japanese destroyers Umikaze and Kawakaze on a “Tokyo Express” run, bringing troops and supplies to Guadalcanal from Shortland Island at the Western end of the Solomon Islands. Umikaze is damaged by a near miss (8 killed) forcing the convoy to abort landings and causing Umikaze to be repaired Truk. USAAF B-17 bombers raid the Japanese naval base on Shortland damaging Japanese seaplane carrier Sanuki Maru.
British destroyer HMS Nizam sinks a Vichy French merchant ship Southwest of Madagascar.
220 miles West of the tip of India, Japanese submarine I-165 sinks US freighter Losmar (3 killed, 14 survivors rescued by British ship Louise Moller on October 5 and another 7 survivors reach the West coast of Ceylon on October 17).