Hammer Defense

The Hammer Defense is a long-range defense structure used by the Soviets.

In When the Cold Breeze Blows Away,

Description
''Hammer Defenses are massive structures developed to disrupt and destroy large amounts of enemies from a distance. A large column of steel pounds the ground, generating a wave of seismic activity. Through underground steering mechanisms, the wave is channeled and directed towards incoming enemies. To protect the building from its own weapon, the Hammer has a minimum range.''