#terrain

Landing Zone — where helicopters land troops or supplies.

A trail freshly smoothed by grooming machines.

Forward Operating Base — a secured forward position.

Forward Line of Own Troops — the leading edge of friendly forces.

Forward Edge of the Battle Area.

Drop Zone — the target area for a parachute drop.

Unmarked, ungroomed terrain outside resort boundaries.

Remote, rough, out-of-the-way terrain; the sticks.