I Marine Amphibious Corps[B] Forward Echelon Medical Battalion Company A Company B Motor Transport Battalion Company A Signal Battalion 1st Medical Battalion[B] Detachment 1st Marine Raider Regiment[A] Headquarters Company 1st Raider Battalion Headquarters Company Company A Company B Company C Company D 4th Raider Battalion Headquarters Company Tank Platoon Marine Aircraft Group 25[C] Headquarters Marine Service Squadron 25 Marine Transport Squadron 152 Marine Transport Squadron 153 Marine Transport Squadron 253 Flight Detachment Marine Fighter Squadron 121[A] Marine Fighter Squadron 122[A] Marine Fighter Squadron 123[B] Marine Fighter Squadron 124[C] Marine Scout-Bomber Squadron 132[A] Marine Scout-Bomber Squadron 141[C] Marine Torpedo-Bomber Squadron 143[C] Marine Scout-Bomber Squadron 144[A] Marine Fighter Squadron 214[C] Marine Fighter Squadron 215[C] Marine Fighter Squadron 221[C] Marine Fighter Squadron 222[B] Flight Detachment Marine Scout-Bomber Squadron 232[B] Marine Scout-Bomber Squadron 233[C] Marine Scout-Bomber Squadron 234[C] Marine Scout-Bomber Squadron 235[B] Flight Detachment Company N Company O Company P Company Q 2d Marine Aircraft Wing[A] Forward Echelon 2d Separate Wire Platoon[A] 3d Special Weapons Battalion[B] 4th Defense Battalion[B] Headquarters & Service Battery 155mm Artillery Group 90mm Antiaircraft Group Special Weapons Group 9th Defense Battalion[A] Headquarters & Service Battery 155mm Artillery Group 90mm Antiaircraft Group Special Weapons Group Tank Platoon 10th Defense Battalion[A] Tank Platoon 11th Defense Battalion[A] Battery E Battery K Marine Scout-Bomber Squadron 236[B] Marine Night Fighter Squadron 531[A] 2d Platoon, Battery A 4th Base Depot[B] [A] New Georgia only [B] Vella Lavella only [C] New Georgia and Vella Lavella ] [Sidebar (page 6): Individual Combat Clothing and Equipment [Illustration: Drawing by Kerr Eby, U.S. Navy Combat Art Collection ]