True, but this is an infantry division. Most of the troops in a division are combatants- you'll find the REMF's in support organizations outside our 10 combat divisions.
Finally, in modern war it's tough to define the "front" - everybody in a combat zone assumes considerable risk of getting into a fight with somebody, even if it's just a ragtag bunch of angry Kuwaiti punks - for example.
Most of the troops in a division are combatants
True, but there's a sizable collection of REMFs in every division. Something like 25% of the troops in a division are in DISCOM.