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• » 19 Mar 1943

• The new radiolocation system ASV III was used over the Bay of Biscay off France by bombers of No. 172 Squadron RAF. ww2dbase [CPC]
• The British launched Operation Pugilist in Tunisia against the Axis Mareth Line, penetrating the line near Zarat. ww2dbase [Operations Pugilist and Supercharge II | CPC]
• The China Air Task Force was incorporated into the USAAF 14th Air Force. ww2dbase [CPC]
• The largest air drop in support of Operation Longcloth in Burma was conducted, delivering 100 tons of supplies to the Chindits. ww2dbase [Operation Longcloth | CPC]
• Captain Lester Hudson was named the commanding officer of USS San Diego. ww2dbase [San Diego | CPC]

• Shokaku departed Yokosuka, Japan for Kure, Japan. ww2dbase [Shokaku | Yokosuka, Kanagawa | CPC]
• Light carrier Ryuho departed Yokosuka, Japan for the Oita, Japan region of the Inland Sea. ww2dbase [Ryuho | Yokosuka, Kanagawa | CPC]
• Kongo departed Sasebo, Japan for the West Inland Sea, with Yugure and Hagikaze in escort. ww2dbase [Kongo | Yugure | Sasebo, Nagasaki | CPC]

• USS Whale spotted a Japanese convoy consisted of two large freighters and one armed escort off Saipan, Mariana Islands and began tracking the convoy. ww2dbase [Whale | CPC]
• USS Wahoo sank freighter Zogen Maru in the Yellow Sea, hitting her with a torpedo; all aboard were killed. Four hours later, she damaged freighter Kowa Maru, hitting her with 2 of 4 torpedoes (only one of them detonated; the other failed to do so). ww2dbase [Wahoo | Yellow Sea | CPC]

• The Japanese passenger ship, Takachihi Maru, was torpedoed and sunk off Taiwan. More than 1,200 perish, mainly Japanese and Taiwanese civilians (Taiwan was a Japanese colony at the time). It remained Taiwan's worst sea disaster. ww2dbase [AC]

• Henry Arnold was promoted to the rank of general. ww2dbase [Henry Arnold | CPC]

19 Mar 1943 Interactive Map