Mod Name: Greg's SG Craft
Link To Mod: http://www.minecraftforum.net/topic/1676966-gregs-sg-craft-for-minecraft-162/
Version: 0.6.0 for 1.6.2
Reason(s): Travel with portals that needs fuel.
A crashed spaceship with low tech/mid tech stuff and then a flying spaceship with high tech stuff. So it's like an old spaceship crashed and then a newer one comes to help the only surviving shoop Saice.