They are designed to assault enemy advanced structures from a relatively close range.
It is unlocked at Level 6 and is available at Tier 2. The Shockwave is the only vehicle that deals Blast damage available to the GDI Offense Class before the Mastodon is unlocked. It is possibly the successor to the Shatterer from the Third Tiberium War. Adding a second shell before the first detonates creates a truly devastating resonance effect. Built to handle siege duties, the Shockwave fires sonic shells for timed area damage.