About 3,750 of those support troops are combat engineers, members of the 35th Engineer Brigade.
This allowed the 2nd Engineer Special Brigade to make supply runs every second day.
It was also the location of the 411th Engineer Brigade, which was headquartered there from 1968 to 1978.
On 16 June 2006, the unit was reorganized and redesignated the 36th Engineer Brigade.
In 1979 he was appointed to command the 35th Engineer Brigade.
It was inactivated in 2011 and replaced by the 2nd Engineer Brigade.
It is the former location of the headquarters of the 111th Engineer Brigade.
In 1980, Graves took command of the 20th Engineer Brigade.
As an active army national guard unit, the 35th Engineer Brigade is not a permanent formation, instead only being called upon when needed.
As a reporter in the Army's 20th Engineer Brigade, he explained, he also carried a pencil.