About 1,500 civilians are expected to lose their jobs by the time the Army is gone.
The combined force would have about 38,000 officers and 8,000 civilians.
There are about 15,100 soldiers, 2,100 police officers and 1,000 civilians.
They have forced about 56,000 nearby civilians from their homes.
The dead included around 1,100 members of the British security forces, and about 630 civilians.
New York's police wounded about two civilians for every one killed - an average of 56 a year.
The base employed about 700 civilians and had 600 permanent party troops.
Fewer than 1,000 soldiers and about 100 civilians have arrived.
They say the rebels have killed about 5,000 civilians and 3,000 members of the security forces.
The staff consists of about 400 civilians, many with military or government backgrounds.