Overseas deployment and planned deployments of US Army Forces December 7, 1941
American Expeditionary Force Mideast (Lieutenant General Dwight Eisenhower)
Chief of Staff, Major General Omar Bradley
Liaison with British Brigadier General Mark Clark
USAAF Mideast (Major General Lewis Brereton) (later redesignated US 12th and 15th Air Forces)
2nd Bomb Group (B17E), 3rd Bomb Group (A20C), 4th Fighter Group (drawn from Eagle Squadrons in RAF, equipped with Spitfire MkV), 7th Bomb Group (B17E), 8th Fighter Group (P39D), 19th Bomb Group (B17E) 22nd Bomb Group (B26)
US III Corps Major General George S Patton
1st Armored Division (MGen Bruce Magruder), 2nd Armored Division (MGen Ernest Harmon), 4th Motorized Division (MGen Raymond Barton)
, III Corps Artillery, III Engineer command, 3rd Cavalry Regiment (mechanized),
additional forces still being designated. All ground and air units are training in the desert areas of Arizona, New Mexico, California, Utah and Colorado with logistics and heavy air units operating out of peacetime bases while fighter, attack and medium bombers and army ground units are operating in field conditions. Expecting to deploy in March 1942 to Iraq/Palestine/Jordan and then to Egypt
Tanks are M3 Lees (and exports to Soviet Union cancelled in favor of M3 Stuarts) and M3 Stuarts, tank destroyers for division anti tank units are M3 Motor Carriage and towed 37 mm guns. Division artillery is still towed (w 105 and 155mm guns) but the divisions are first in line for the M7 SP 105 when it becomes available as they are still in development
American Expeditionary Force British Isles (Lieutenant General Hugh Drum)
V Corps Major General Lloyd Fredenhall
27th Infantry Division (NY NG, BGen Pennell) Iceland, 28th Infantry Division (PA NG, MGen Ord) Belfast, 29th Infantry Division (VA/MD NG, MGen Gerow) Britain (assigned to British defenses), II Corps Artillery (w 29th Division),
The AEF British Isles arrives over the course of October-November, with the 27th arriving at Iceland in September
the 8th Air Force is being created but its air units are in the forming or early training status with their aircraft and none are expected to arrive until late 1942
Alaskan Defense Command (M General Simon Buckner)
6th Infantry Division (B Gen Uhl) Anchorage/Ft Richardson, 34th Infantry Division (Dakota/Minnesota NG, M Gen Hartle) Juneau/Skagway/Valdez/Kodiak, this is still a 4 regiment, 2 brigade division)
IV Corps Headquarters - Fairbanks, lacks artillery, but overstrength in engineers, attached is Alaskan Scouts providing coastal and isolated area patrols
Alaskan/Canadian Highway construction approved June 25, 1941, first construction began August 1941, expected completion September 1942
in addition to above, the Coast Artillery is hurriedly forming coast artillery and coast artillery antiaircraft units, as is the Artillery branch (antiaircraft) but none are expected to arrive before summer 1942 to reinforce existing forces.
Coast Artillery: 250th CA Regiment (155 mm guns), 215 CA Regiment (3 inch AA) (Both Fort Richardson), 75 CA Regiment (3 inch AA, Fort Greeley),
Alaskan Air Force has no combat aircraft yet assigned but does have some liaison and transport aircraft and has contracted with the Civil Air Patrol (which includes a large number of Bush planes) to provide some support. It will be designated the 11th Air Force in 1942
The Navy and Coast Guard has several patrol vessels and some PBYs and smaller aircraft to provide coastal patrol and surveillance operating out of Kodiak Island and various small ports on the Alaskan coast as well as a seaplane tender at Dutch Harbor. The Marine 4th Defense Battalion is at Kodiak Island, while the 5th Defense Battalion just arrived from Iceland at Dutch Harbor
Hawaiian Defense Command (Lieutenant General Walter Krueger)
Commands X Corps and Hawaiian Harbor and Air Defense Commands
Coast Artillery Command
15th CA (heavy seacoast guns) Fort Kamehameha/Pearl Harbor , 16th CA (heavy seacoast guns) Honolulu, 53rd, 64th, 97th, 98th, 211th CA (3 inch AA) have been moved to wartime positions covering airfields and the navy base at Pearl Harbor.
X Corps (M Gen Keyton Joyce)
24th Infantry Division, 25th Infantry Division (each has 2 Regular Army regiments plus attached NG regiments from Hawaiian NG), engineer brigade, The Corps has an attached tank battalion of M2 tanks, but lacks mobile artillery for the VI Corps Artillery
25th Infantry Regiment (Colored) recently arrived and stationed on the big island of Hawaii
Hawaiian Air Force (M Gen Frederick Martin) (redesignated 7th Air Force in 1942)
1st Fighter Group (14 P43, 24 P38E, 32 P40C additional P38E expected), 15th Fighter Group (60 P40C) also administrative support for Army crews assigned to 33 B18 Bolos, 13 A20s assigned to the Navy, plus the Hawaiian Air Force has an assortment of transport and light observation aircraft
27th Bombardment Group (52 A24 Dauntless Dive bombers, as yet untrained in naval strike missions)
in addition to Hawaii, there are ground forces defending 3 important islands in the Pacific that are under Naval Command
Maui (Hawaii) 4th Marine Regiment, plus 6th Marine Defense Battalion
Midway Island Marine Air Group 21 (forward) w 24 Wildcat, 18 Dauntless, plus 6 PBY, 2nd Marine Defense battalion (full strength)
Wake Island: 1st Marine Defense battalion (elements) w 400 infantry, has not yet been assigned a Naval officer commanding and planned deployment of Marine air group has not yet occurred (and that MAG is still on the West Coast)
Guam: 547 US Marines and National Guard troops, no heavy weapons, 2 old patrol boats, 1 old minesweeper, 1 freighter
American Samoa: 7th Marine Defense Battalion, Samoan Home Guard (battalion)
En route
HQ 6th Army (moving from San Francisco to Hawaii)
24th Infantry Regiment (Colored) en route to Fiji
132nd Infantry Regiment (IL NG) en route to Samoa
164th Infantry Regiment (ND NG), 182nd Infantry Regiment (MA NG) en route to New Caledonia
(none of the above have yet left the West Coast but preparing to ship)
US Army Forces Far East (USAFFE) (Lt Gen Joseph Stillwell)
Deputy Commander M General George Grunert
consists of Manila Bay Coast Defense Command, I Corps, II Corps
HQ USAFFE, 14th Engineer Regiment – Fort Stotsenburg
Manila Bay Command (B Gen George Moore)
59th, 91st, 92nd CA Regiments (heavy guns), 60th CA Regiment (155 semi mobile), 200th CA Regiment (3 inch AA), 124th Infantry Regiment (FL NG)
garrison of Forts Hughes, Fort Drum, Fort Frank, and Corregidor itself plus 31st Infantry Regiment (US RA) as infantry garrison for Corregidor
I Corps (M Gen Jonathan Wainwright (Luzon Force)
12th Infantry Division (Philippine Division) w 45th (PS), 57th (PS) infantry regiments, 3rd Infantry (US RA, from Panama) 1st field artillery group (old 105 and 155 guns)(PS)
the 31st Infantry Division was diverted to Panama at the insistance of Southern Democratic Congressional officials which angered General Marshall who had promised a division for Stillwell. The Army is still looking for reinforcements to send when the war breaks out in the Pacific.
26th Cavalry Regiment (PS)
Although tanks have been requested they have not arrived, however sufficient M3 motor carriages have arrived to give the 26th Cav a self propelled anti tank company
41st Philippine Army Division (8,000 men, M Gen Lim commanding, well trained compared to other units, full table of organization in equipment, has a full battalion of 75 mm field guns)
Coast defense forces: MGen George Parker
11th Philippine Army Division (6,000 men, 22 mixed 75 and 2.95 inch guns) Lingayen Gulf
21st Philippine Army Division (6,000 men) 24 mixed 75 and 2.95 inch guns) Balayan Bay
31st Philippine Army Division (7,000 men) 36 mixed 75 and 2.95 inch guns) Subic Bay
stay behind forces: (garrison until ordered to run for the hills)
51st Philippine Army Division (7,000 men, no artillery) B Gen Albert Jones
71st Philippine Army Division (8,000 men, no artillery) B Gen Clyde Selleck
II Corps (BGen William Sharp)(Visayan / MIndanao force)
81st Philippine Army Division (Mindanao island) (8,000 men, 12 2.95 inch guns, 24 3 inch mortars) B Gen Guy Fort (defending Davao)
43rd Infantry Regiment (PS) reinforced with 24 x 3 inch mortars, and 1 troop 26th Cavalry (Dole Plantation), 803rd Aviation Engineer battalion (US), elements of 20th Airbase force (from Clark Field)
101st Philippine Army Division (6,000 men, no artillery) Mindanao (stay behind unit)
91st Philippine Army Division (7,000 men, no artillery) Samar/Mindoro islands (stay behind unit)
61st Philippine Army Division (Panay/Leyte/Cebu islands) (8,000 men, no artillery) B Gen Bradford Chynoweth (stay behind unit)
Far East Air Force (M Gen George Brett)
4th Composite Group (includes Philippine Army Air Corps) 12 P26, 3 B10, 2 Beech18D, 12 Steerman, 3 C33 transport, 3 C45 transport
18th Fighter Group (B Gen Henry Clagett) 18 P35, 40 P36, 12 P26, 4 C45 transport, fighter direction center and radar Nicholas Field, support facilities are Clark Field, auxiliary airfields at Dole Plantation (Mindanao) w 12 fighters (from above) rotating in and out
assigned but still en route 35th Fighter Group (P39), 12 more P36 (to reinforce 18th Fighter Group), and 24 Lockheed Hudson, due to arrive December 20, 1941
the 35th FIghter Group arrives Sydney on December 12 (delivered by USS Enterprise), but crated P36s are at Clark Field (and destroyed) on December 8, while the Hudsons are simply transferred to the RAAF when they arrive in mid December in Australia. The 20th Transport Group (DC3/C47s) arrives in Australia on December 14.
China
American Military Mission to China (Lt General Douglas MacArthur) with assorted staff (500 people)
American Volunteer Group (Claire Chennault, with 12 P40 Rangoon, 36 P40 Kunming) (completing training)