Today has actually been mostly filled with building developer tools for adding ship parts easily. But, spaceships can now be assembled out of three types of parts: Bridge, fuel tank and engine. If spaceships have enough fuel capacity and fuel stored, a captain assigned, and enough thrust from engines they can be launched into orbit.
Next step will be to set a destination, and launch the ship. This will make the ship unavailable until it reaches its destination. If the destination is a colonizable planet it will then get the option to build a colony (that will be fully equipped for testing purposes).
Rudimentary bridge controls added. System map, and functionality for selecting a target planet (but not moons yet) added, as well as rudimentary colonization (for any ship at the moment). Take over the universe!