Defense
Light graviton cannon
The affordable cannon after the mortar: a bit stronger, a bit tougher and available early.

The light graviton cannon is the first cannon that needs Graviton technology. It costs only a little more than a mortar, but has more attack, more shield and more hull.
- + Cheap and available early.
- + Spreads its costs across metal and kryptonite.
- – Remains a starter installation: strong fleets call for more.
Background
The light graviton cannon is the first model of its type. It is a very well-armored weapon which makes quite an impact on its target, but can only be built by researching graviton technology.