Underminer

The Underminer was a new vehicle developed by the Brotherhood of Nod by the time of the Fourth Tiberium War.

Description
These vehicle were capable of deploying themselves onto the battlefield and act as a form of artillery. However, rather than make use of conventional long range shells fired at a target location, the Underminer operated by firing burrowing explosive projectiles that drilled themselves through soil and struck enemy positions from below. This was accomplished at great distances thus preventing the enemy from learning where the attack was coming from in the first place. They were used primarily for anti-structure operations though they could work equally well against enemy units; furthermore, any burrowing units within the path of the projectiles were capable of colliding with the warheads and being destroyed underground. These vehicles highlighted the Brotherhood's new usage of burrowing technology on the battlefield.

In-Game Unit
One of the uses of the Underminer was form anti-structure operations and can be used to clear out a region of any base defenses before sending in the main force into the region. This had the added benefit of preventing the enemy from realizing where the attacks were coming from this depriving them of the chance to strike at the Underminer unit.