Many of its front-line units are based around the state; others are in neighboring states.

Looking at the map, the captain decided that it was pointless to go after the front-line unit again.

All fifty were delivered to front-line units in May, where they proved popular.

This created a very dangerous situation for the front-line units.

Fire support is long-range firepower provided to a front-line military unit.

It was not until late in the war that he was allowed to join a front-line unit.

There may well be situations where support in depth is vital for the functioning of the front-line unit.

At each location the network provides enough support for the front-line unit to operate.

Here the system is one in which the front-line units support each other.

The first examples were delivered to front-line units in 1989.