The map below is of the Bien Hoa/Long Binh area. The 4/12th AO was in this area during 1967. The locations marked with the numbered red circles are some points of general interest. The legend below identifies those points.

1. 199th Main Base Camp in Long Binh - located on Route 1A
2. II Field Force HQ - PX and other “comforts” in 1966-67
3. 90th Replacement Center - troop arrival and departure processing
4. Bien Hoa AFB and 173rd Airborne Base
5. US Army Vietnam HQ (USARV)
6. Bear Cat - 9th Div. HQ and site of riverine operations
7. 4/12th Forward CP at Thu Duc (Second site)
8. 199th Forward HQ in Cat Lai (1967)