COMPOSITION.
| 1915 | 1916 | 1917 | 1918 | |||||
|---|---|---|---|---|---|---|---|---|
| Brigade. | Regiment. | Brigade. | Regiment. | Brigade. | Regiment. | Brigade. | Regiment. | |
| Infantry. | 3 Nav. | 3 Nav. | 3 Nav. | 3 Mar. | 3 Mat. | |||
| 4 Nav. | 4 Nav. | 4 Nav. | 4 Mat. | |||||
| 5 Mat. | ||||||||
| The 1, 2, 3, 4, 5, and 6th Marine Fus. Rgts. and the 4 Marine Inf. Rgt. alternated between the 1st and 2d Naval Divisions. | ||||||||
| Cavalry. | 4 Sqn. 10 Hus. Rgt. | |||||||
| Artillery. | Marine E. A. Abt. | 1 Mar. F. A. Rgt. | 3 Mar. Art. Rgt. | |||||
| 2 Mar. F. A. Rgt. | ||||||||
| 3 Mar. F. A. Rgt. | ||||||||
| Engineers and Liaisons. | 3 Nav. Pion. Co. | 2 Nav. Pion. Btn.: | 2 Mar. Pion. Btn.: | |||||
| 3 Nav. Pion. Co. | 2 Mar. Pion. Co. | |||||||
| 4 Nav. Pion. Co. | 3 Mar. Pion. Co. | |||||||
| 377 Pion. Co. | 3 Entrenching Co. | |||||||
| Tel. Detch. | 4 Entrenching Co. | |||||||
| 292 Signal Command: | ||||||||
| 292 Tel. Detch. | ||||||||
| Medical and Veterinary. | Ambulance Co. | 2 Mar. Ambulance Co. | ||||||
| Field Hospital. | 3 Mar. Field Hospital. | |||||||
| Vet. Hospital. | 4 Mar. Field Hospital. | |||||||
| Transports. | M. T. Col. | |||||||
| Attached. | 27 Labor Btn. | Coast Defense Btn. | ||||||