US Invasion Forces, Guam, 12 July - August 1944 - CGSC
US Invasion Forces, Guam, 12 July - August 1944 - CGSC
US Invasion Forces, Guam, 12 July - August 1944 - CGSC
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<strong>US</strong> <strong>Invasion</strong> <strong>Forces</strong><br />
<strong>Guam</strong><br />
<strong>12</strong> <strong>July</strong> - <strong>August</strong> <strong>1944</strong><br />
Force Troops: Major General R.S.Geiger<br />
Headquarters and Service Battalion, III Amphibious Corps<br />
(less dets)<br />
Signal Battalion, III Amphibious Corps (less dets)<br />
4th Marine Ammunition Company<br />
Detachment, Argus 17 (Shorebased Fighter Director Unit)<br />
Detachment, Mairne Air Warning Suqadron 2<br />
Detachment, 756th Air Warning Company (Army)<br />
Communication Unit 41 (Navy)<br />
III Amphibious Corps Artillery: Brigadier General P.A. Del Valle<br />
Headuqarters & Headquarters & Service Battery, III<br />
Amphibious Corps Artillery<br />
1st 155mm Howitzer Battalion (less Battery C, attached<br />
to Brigade Artillery Group on landing)<br />
2nd 155mm Howitzer Battalion<br />
7th 155mm Gun Battalion<br />
3rd Marine Division (Reinforced): Major General A.H.Turnage<br />
9th Combat Team<br />
1/,2/,3/9th Marines<br />
1/19th Marines (B&C cos detached)<br />
Company D, 19th Marines (Pioneers)<br />
Company G, 25th Naval Construction Battalion (plus det/<br />
Headquarters Co)<br />
3rd Tank Battalion (less Cos B & C)<br />
Reconnaissance Company (less 2 platoons), 3rd Headquarters<br />
Battalion<br />
1st Messenger Dog Section (less 1 Squiad), 2nd War Dog<br />
Platoon<br />
1st Scout Dog Section (less 1 Squiad), 3rd War Dog<br />
Platoon<br />
Company A, 3rd Motor Transport Battalion<br />
Company A, 3rd Medical Battalion<br />
1st Band Section<br />
Detachment, 3rd Joint Assault Signal Company<br />
21st Combat Team<br />
1/,2/,3/21st Marines<br />
Company B, 19th Marines (Engineers)<br />
2nd Battalion (less Cos D&F), 19th Marines (Pioneers)<br />
Company H, 25th Naval Construction Battalion (plus det/<br />
Headquarters Company)<br />
1st & 2nd Platoons, Company B, 3rd Tank Battalion<br />
2nd Platoon, Reconnaissance Company, 3rd Headquarters<br />
Battalion<br />
2nd Messenger Dog Section (less 1 squad), 2nd War Dog Platoon<br />
2nd Scout Dog Section (less 1 squad), 3rd War Dog Platoon<br />
Company B, 3rd Motor Transport Battalion<br />
Company B, 3rd Medical Battalion<br />
2nd Band Section<br />
Detachment, 3rd Joint Assault Signal Company<br />
1
3rd Combat Team<br />
1/,2/,3/3rd Marines<br />
Company C, 19th Marines (Engineers)<br />
Company F, 19th Marines (Pioneers)<br />
25th Naval Construction Battalion (less Cox G&H & 2 dets of the<br />
Headquarters Company)<br />
Company C, 3rd Tank Battalion<br />
3rd Messenger Dog Section (less 1 squad), 2nd War Dog Platoon<br />
3rd Scout Dog Section (less 1 squad), 3rd War Dog Platoon<br />
Company C, 3rd Motor Transport Battalion<br />
Company C, 3rd Medical Battalion<br />
3rd Band Section<br />
Detachment, 3rd Joint Assault Signal Company<br />
<strong>12</strong>th Marines (Reinforced):<br />
1/,2/,3/,4/<strong>12</strong>th Marine Regiment<br />
14th Defense Battalion (less 155mm Seacoast Artillery Group,<br />
2 90mm batteries, 1 searchlight platoon, & detachments,<br />
HQ and Service Battery;)<br />
Artillery Liaision Group, III Amphibious Corps<br />
Reserve Group<br />
3rd Headquarters Battalion (less 3 band sections & 3rd Reconnaissance<br />
Company (less 4th platoon)).<br />
Company B (less 2 platoons), 3rd Tank Battalion<br />
2nd War Dog Platoon (less 6 squads)<br />
2nd War Dog Platoon (less 6 squads)<br />
3rd Joint Assault Signal Company (less dets)<br />
Det/Signal Battalion, III Amphibious Corps<br />
Engineer Group:<br />
19th Marines (less 1st & 2nd Bns)<br />
2nd Separate Engineer Battalion<br />
Company B, 2nd Special Naval Construction Battalion<br />
Garrison Beach Party<br />
Service Group:<br />
3rd Service Battalion (less detachments)<br />
3rd Medical Battalion (less Cos A,B, & C)<br />
Detachment, Service Group, 5th Field Depot<br />
2nd Marine Ammunition Company (less 4th Platoon)<br />
Other<br />
1st Armored Amphiban Battalion, less Cos A&B<br />
3rd Amphibian Tractor Battalion (Reinforced)<br />
Motor Transport Battalion (less Co C), III Amphibious Corps<br />
1st Provisional Marine Brigade (Reinforced): Brigadier General<br />
L.C.Shepherd<br />
Brigade Troops:<br />
Headquarters & Headquarters Company, 1st Provisional<br />
Marine Brigade<br />
Military Police Company (less 1st & 2nd Platoons),<br />
1st Provisional Marine Brigade<br />
Signal Company (less detachments, 1st Provisional<br />
Marine Brigade<br />
4th Combat Team<br />
1/,2/,3/4th Marine Regiment<br />
Tank Company, 4th Marines<br />
Engineer Company, 4th Marines<br />
Medical Company, 4th Marines<br />
2
Motor Transport Company, 4th Marines<br />
Ordnance Platoon, 4th Marines<br />
Reconnaissance Platoon, 4th Marines<br />
Service and Supply Platoon, 4th Marines<br />
1st Platoon, Military Police Company, 1st Provisional<br />
Marine Brigade<br />
4th Platoon, 2nd Marine Ammunition Company<br />
Det/5th Field Depot<br />
1st War Dog Platoon<br />
1st Joint Assault Signal Part, Signal Company, 1st<br />
Provisional Marine Brigade<br />
22nd Combat Team<br />
1/,2/,3/22nd Marine Regiment<br />
Tank Company, 22nd Marines<br />
Pioneer Company, 22nd Marines<br />
Engineer Company, 22nd Marines<br />
Medical Company, 22nd Marines<br />
Motor Transport Company, 22nd Marines<br />
Reconnaissance Platoon, 22nd Marines<br />
Ordnance Platoon, 22nd Marines<br />
Service and Supply Platoon, 22nd Marines<br />
Band Section, 22nd Marines<br />
2nd Platoon, Military Police Company, 1st Provisional<br />
Marine Brigade<br />
1st Provisional Replacement Compaqny<br />
Detachment, 5th Field Depot<br />
Construction Battalion, Maintenance Unit 515 (Navy)<br />
2nd Joint Assault Signal Party, Signal Company,<br />
1st Provisional Marine Brigade<br />
Amphibian Tractor Group:<br />
4th Amphibian Tractor Battalion (Reinforced)<br />
Company C, Motor Transport Battalion, III Amphibious<br />
Corps (DUKWs)<br />
Other:<br />
Companies A & B, 1st Armored Amphibian Battalion<br />
Artillery Group:<br />
Artillery HQ detachment, 1st Provisional Marine Brigade<br />
75mm Pak Howitzer Battalion, 4th Marines<br />
75mm Pak Howitzer Battalion, 22nd Marines<br />
304th Field Artillery Battalion (attached on landing)<br />
Battery C, 1st 155mm Howitzer Battalion (attached on<br />
landing)<br />
305th Combat Team, <strong>US</strong> Army:<br />
1/,2/,3/305th Infantry Regiment<br />
305th Field Artillery Battalion (detached on landing)<br />
Battery A, 7th Antiaircraft Artillery (automatic<br />
weapons) Battalion (detached on landing)<br />
Company C, 706th Tank Battalion (less 1 platoon)<br />
242nd Engineer Combat Battalion<br />
Company A, 302nd Engineer Combat Battalion<br />
Company A & 1 Platoon Company D, 302nd Medical Battalion<br />
1 Platoon, Company A, 88th Chemical Battalion<br />
Detachment, 77th Signal Company<br />
Detachment, 777th Ordnance Company<br />
Detachment 292nd Joint Assault Signal Company<br />
3
Detachment, Prisoner of War Interrogation Team<br />
Antiaircraft Group:<br />
9th Defense Battalion (less 155mm Seacoast Artillery<br />
Group, 90mm AA Group, and detachments HQ & Service<br />
Battery)<br />
Battery A, 7th Anti-aircraft Artillery (Automatic Weapons)<br />
Battalion (attached on landing)<br />
Other:<br />
53rd Naval Construction Battalion<br />
Medical Battalion, III Amphibious Corps (Reinforced)<br />
77th Infantry Division (Reinforced): Major General A.D.Bruce<br />
Divisional Troops:<br />
Headquarters, 77th Infantry Division<br />
Special Troops<br />
Headquarters Company, 77th Infantry Division<br />
Military Police Platoon, 77th Infantry Division<br />
777th Ordnance Company (Light Maintenance, less dets)<br />
77th Quartermaster Company<br />
77th Signal Company (less detachments)<br />
77th Infantry Division Band<br />
77th Reconnaissance Troop<br />
Headquarters and Headquarters Battery, 77th Infantry<br />
Division Artillery<br />
306th Field Artillery Battalion<br />
302nd Engineer Battalion (less Cos A,B, & C)<br />
302nd Medical Battalion (less Cos A,B, & C, & 1 platoon<br />
D Company)<br />
36th Field Hospital (less 2 platoons)<br />
95th Portable Surgical Hospital<br />
Company A (less 1 platoon), 88th Chemical Battalion<br />
92nd Bomb Disposal Squad<br />
202nd Joint Assault Signal Company (less detachments)<br />
7th Antiaircraft Artillery (Automatic Weapons) Battalion<br />
(less Cos A,B & C - less 1 platoon)<br />
404th Ordnance Company (Medium Maintenance)<br />
Prisoner of War Interrogation Team (less detachments)<br />
Detachment, Counter Intelligence Corps<br />
Jonit Intelligence Center, Pacific Ocean Areas Team<br />
Signal Photo Sections 1 & 2<br />
306th Combat Team<br />
1/,2/,3/306th Infantry Regiment<br />
304th Field Artillery Battalion<br />
Company B, 302nd Engineer Combat Battalion<br />
132nd Engineer Combat Battalion<br />
Detachment, 292nd Joint Assault Signal Company<br />
Company B, 302nd Medical Battalion<br />
Battery B, 7th Antiaircraft Artillery (Automatic<br />
Weapons) Battalion<br />
Detachment, 77th Signal Company<br />
Detachment, 777th Ordnance Company<br />
Company B, 706th Tank Battalion<br />
1st Platoon, 36th Field Hospital<br />
4
307th Combat Team<br />
1/,2/,3/307th Combat Team<br />
902nd Field Artilleyr Battalion<br />
Company C, 302nd Engineer Combat Battalion<br />
233rd Engineer Combat Battalion<br />
Detachment, 292nd Joint Assault Signal Company<br />
Companmy C, 302nd Medicla Battalion<br />
Battery C, 7th Antiaircraft Artillery (Automatic<br />
Weapons) Battalion<br />
Company A, 706th Tank Battalion<br />
Detachment, 77th Signal Company<br />
Detachment, 777th Ordnance Company<br />
2nd Platoon, 36th Field Hospital<br />
Garrison Force: (when released by; Southern Troops and Landing Force)<br />
Major General H.C.Larsen<br />
1st Provisional Base Headquarters Battalion<br />
3rd Marine Division (Reinforced)<br />
Division Troops<br />
H&S Company<br />
Reconnaissance Company<br />
MP Company<br />
Signal Company<br />
JASCO<br />
Special Weapons Battalion<br />
1/,2/,3/3rd Marine Regiment<br />
1/,2/,3/9th Marine Regiment<br />
1/,2/,3/21st Marine Regiment<br />
1/,2/,3/,4/<strong>12</strong>th Marine Regiment<br />
3rd Tank Battalion<br />
3rd Engineer Battalion<br />
3rd Pioneer Battalion<br />
3rd Service Battalion<br />
3rd Motor Transport Battalion<br />
3rd Medical Battalion<br />
3rd Joint Assault Signal Company<br />
Marine Observation Squadron 1<br />
3rd Marine War Dog Platoon<br />
Det. Signal Battalion, V Amphibious Corps<br />
28th Replacement Drafts<br />
34th Replacement Drafts<br />
Assigned reinforcing units not known<br />
14th Defense Battalion (less detachments)<br />
9th Defense Battalion (less detachments)<br />
2nd Special Engineer Battalion<br />
25th Naval Construction Battalion<br />
53rd Naval Construction Battalion<br />
Company B, 2nd Special Naval Construction Battalion<br />
Communication Unit 41<br />
5th Field Depot<br />
Detachment, 5th Naval Construction Battalion<br />
Detachment, Marine Air Group 21<br />
Detachment, Lion 6 Advance Naval Base<br />
Detachment, Argus 17<br />
Detachment, Marine Air Warning Squadron 2<br />
Detachment, 746th Air Warning Company<br />
5
Army Defense Troops<br />
Other Units as assigned<br />
Marine Aircraft Units:<br />
Headquarters and Detachments, 4th Marine Base Defense Aircraft<br />
Wing<br />
Forward Echelon, Marine Aircaft Group 21<br />
Marine Aircraft Group 22<br />
Marine Aircraft Group 31<br />
Marine Air Warning Squadron 1<br />
Marine Air Warning Squadron 2<br />
Marine Observation Squadron 1<br />
Marine Observation Squadron 2<br />
Marine Observation Squadron 4<br />
Marine Observation Squadron 5<br />
Ground Echelon, Marine Fighter Squadron 111<br />
Marine Scout-Bomber Squadorn 151<br />
Marine Fighter Squadron 216<br />
Marine Fighter Squadron 217<br />
Forward Echleon, Marine Fighter Squadron 224<br />
Marine Fighter Squadron 225<br />
Marine Scout-Bomber Squadron 231<br />
Marine Utility Squadron 252<br />
Marine Figher Squadron 331<br />
Detachment, Flight Echelon, Marine Utility Squadron 353<br />
Marine Fighter Squadron 422<br />
Marine Night Fighter Squadron 534<br />
Detachment, Flight Echelon, Marine Utility Squadron 952<br />
Shaw, Nalty, & Turnbladh, Central Pacific Drive: History of the <strong>US</strong><br />
Marine Corps Operations in World War II, Volume III, Historical Branch,<br />
G-3 Division, Headquarters, <strong>US</strong>MC, 1966.<br />
Lodge, O.R., The Recapture of <strong>Guam</strong>, Historical Section Division of<br />
Public Information, Headquarters, <strong>US</strong>MC, 1954.<br />
Copyright GFN 1992.<br />
6
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