For the Space Cargo Mission i used: Radar-1, Cooling System, Refueling, Built-in cistern and Device 1 in the slots. Mk-V as booster, Mk-IV-FB as engine, Mk-V-R as wings, Mk-III-IF as body and Mark-V-AK as head. Just aim for the speed gates and pick up all the fuel you can see on the radar. Never use up all the fuel for the boosters so you lose them, always refill them with fuel you find in the air.
Im sure there are better ways to do it, but this worked for me.
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