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04/01/42

ZI

AC Proving Ground becomes Proving Ground Cmd, with main base at Eglin Field.


04/02/42

Tenth AF

Gen Brereton, CG, leads 3 HBs on raid on shipping in Andaman Is during 2/3 Apr. The HBs claim hits on a cruiser and a transport. 2 HBs are damaged by AA and ftrs, but all return to base. Earlier in the evening, a mission scheduled against Rangoon area is aborted when 1 HB crashes on takeoff and the other has mechanical trouble.


04/03/42

Tenth AF

6 HBs from Asansol bomb warehouses and docks at Rangoon, starting 3 large fires. 1 B-17 fails to return.


04/06/42

Tenth AF

10 DC-3's of Pan American Airways begin hauling 30,000 gals of fuel and 500 gals of lubricants from Calcutta to the airstrip at Asansol, completing the mission on the following day. This fuel, subsequently transferred via Dinjan to China, is for use by Lt Col James H Doolittle's Tokyo raiders, already at sea aboard the carrier Hornet.


04/07/42

US

WD officially states that Eighth AF will be established in UK as intermediate cmd between USAFBI and the AF cmds. Gen Marshall notifies Gen Chaney of this decision.


04/07/42

Fifth AF

During 6/7 Apr the Japanese break the Philippine II Corps front on Bataan, thus necessitating immediate removal of all remaining ftrs to Mindanao, where for the next 3 days they will fly rcn, cover HBs (sent to Mindanao from Australia) operating against concentrations at Legaspi, Cebu, Iloilo, and Davao, and carry out a strafing attack against aircraft at Davao. After the HBs return to Australia on 12 Apr, the ftrs will continue to fly rcn until Japanese forces envelop the troops on Mindanao on 1 May.


04/08/42

International

Harry Hopkins and Gen Marshall arrive in London for talks with British serv and supply chiefs concerning integration of US and British manpower and war production for action in Europe. Gen Marshall urges an offensive in the west to relieve pressure upon Russia, and promises a constant flow of US troops, including many air units, to UK.


04/08/42

Ninth AF

VA Spt Cmd (activated 1 Sep 41) is redesignated Ninth AF. HQ is at New Orleans AAB.


04/09/42

Eighth AF

HQ echelon is located at Bolling Field to prepare Eighth AF for move overseas.


04/09/42

Phil Is

Japanese capture Bataan after 3 months. US-Philippine forces surrender unconditionally. Japanese arty emplaced on Bataan opens fire on Corregidor in conjunction with air attacks.


04/12/42

AAF

Gen Arnold sends air plans for BOLERO to Gen Marshall in London. Plan calls for establishment of Eighth AF in UK.


04/12/42

Fifth AF

Australia-based B-25's, staging through Mindanao, hit harbor and shipping at Cebu while B-17's carry out single-bmr strikes from Mindanao against Cebu harbor and Nichols Field.


04/13/42

Fifth AF

Australia-based B-25's hit tgts in the Phil Is for second consecutive day. Staging through Valencia the B-25's take off just after midnight during 12/13 Apr and bomb Cebu shipping and installations at Davao. Later in the day the MBs again attack Davao, bombing the dock area.


04/13/42

SOPAC

Adm Ghormley is assigned as COMSOPAC. He is to cmd all Allied base and local def forces (land, sea, and air) in the South Pacific islands, with the exception of NZ land defenses.


04/14/42

International

British Government and CoSs accept Gen Marshall's BOLERO plan for Allied build-up in UK for attack on Germany.


04/15/42

Eighth AF

HQ of VIII BC established in Wycombe Abbey, in High Wycombe by Gen Eaker.


04/16/42

Tenth AF

HBs take off from Dum A/F near Calcutta to bomb Rangoon. 6 B-17's, guided by flares, bomb the tgt. Numerous searchlights make it impossible to estimate the bombing results.


04/18/42

Doolittle Raid

16 B-25's launched from carrier Hornet carry out first AAF attack on Japanese mainland. 15 of the B-25's bomb in Japan, the principal tgts being Tokyo, Kobe, Yokohoma, and Nagoya. Since the bmrs had to be launched earlier than scheduled they are unable to reach planned bases in China and have to be crashlanded or abandoned, 15 in China and the other in the USSR."


04/18/42

Fifth AF

Fifth AF units come under control of Allied AF (SWPA) which is created in Australia to control AAF, RAAF and Dutch elements.


04/20/42

Fifth AF

Gen Brett assumes cmd of Allied AF, which has units based in N and E Australia, with advanced facilities in the Port Moresby area.


04/22/42

Tenth AF

Aircraft begin to evacuate military and civilian personnel and supplies from Burma to India. By 15 Jun the Tenth has evacuated 4,499 passengers and 1,733,026 lbs of freight.


04/22/42

SOPAC

Joint US-NZ Naval Cmd ordered established under Adm Ghormley. It is to operate separately but in close liaison with Gen MacArthur and Adm Leary.


04/27/42

Eighth AF

ADVONs of HQ, Eighth AF and of bmr, ftr and base cmds, along with 15th Bomb Sq, 2d Air Depot Gp, and a weather dets totalling about 1,800 men, sail from Boston for UK."


04/27/42

Fifth AF

In Australia, US Army Air Services under Gen Lincoln takes over responsibility as an administrative, supply, maintenance, and engineering cmd under Allied AF.


04/27/42

Eighth AF

VIII GASC is activated at Bolling Field.


04/29/42

Tenth AF

Rangoon is again hit by a flight of HBs which pound dock area.


04/30/42

Burma

Japanese capture Lashio and begin move to drive Chinese back along Burma Road toward China and drive US and British forces back toward India.


04/30/42

Fifth AF

P-39's flying out of Port Moresby strafe airplanes and fuel dumps at Lae and Salamaua.


04/30/42

ZI

ATC is established.


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