United States 
Marine Corps
Shoulder Sleeve Insignia of the Second World War
Dedicated to all my Colleagues and Friends who Are Marines, "Semper Fi"Marine Amphibious Corps
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| The
Marine
Amphibious Corps (Original Designation) 1st Marine Amphibious Corps (Later Designation) |
3rd
Marine
Amphibious Corps |
5th
Marine Amphibious Corps |
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1st MAC Separate Battalions |
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| Anti-Tank Battalions, 155 Howitzer Bn |
Corps Artillery |
Aviation Engineer Battalions |
Barrage Balloon Battalions |
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| Air
Defense Battalions |
Paramarine Battalions |
Marine
Raider Battalions |
Service Supply Battalions |
Marine Divisions
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| 1st Marine Division | 2nd
Marine Division (Original Version) |
2nd
Marine Division (Second Version) |
3rd Marine Division |
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| 4th Marine Division | 5th Marine Division | 6th Marine Division | |
Ship
Detachments | |
Fleet Marine Forces
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| HQ
Fleet
Marine Forces - Pacific |
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| Amphibious Tractor Battalions |
Anti-Aircraft Battalions |
Artillery Battalions |
Bomb Disposal Companies |
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| DUKW Companies |
Dog
Patrols |
Engineer Battalions |
Service Supply Battalions |
Marine Air Wings
(Original
Versions)
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| HQ
Pacific
Air Wing |
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| 1st
Marine Air Wing |
2nd
Marine Air Wing |
3rd
Marine Air Wing |
4th
Marine Air Wing |
(Second Versions) |
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| HQ Pacific
Air Wing |
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| 1st
Marine Air Wing |
2nd
Marine Air Wing |
3rd
Marine Air Wing |
4th
Marine Air Wing |
Some of the Defense Units
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| 4th
Defense Air Wing |
13th
Defense Bn |
18th
Defense Bn |
51st
Defense Bn |
52nd
Defense Bn |
