Why not bring the old races back!
Dwarf: Short, built, and hardy, dwarves are the bedrock of any group they are part of. Haling from under the earth, they find the transition to space hard, but fit in well into spaceships where a crew might not see open sky for months at a time.
Stat Adjustments: Stamina +2
Special Abilities: Burly(add 1/2 Level (minimum +1) to Fortitude Saves)