Junk Henge Sculpture
The Junk Henge Sculpture is a monument that you can build on your planet entirely out of waste. Once built it provides huge amounts of happiness through tourism.
Shield Against Weapons
The Shield Against Weapons (SAW) is a railgun system that shoots down incoming enemy ships. It goes before other defensive measures such as drones and fighters, which can help save your drones and fighters for tougher battles. SAWs also help you defend your allies, as long as they are in the same star system as you. If an enemy ship is incoming to any allied world in a star system, then all allied planets will fire their saws at the incoming enemy ships.