Then, with the latter engineer claim the position immediately south of the barricade.

Meanwhile, send an engineer to to claim the two defensive positions on the middle-right hand ridge and one to build a Mass Extractor to the immediate right. Send your strike force left as well to claim the two technology caches (one immediately left, one with the claimable buildings) to get a good jump-start on research. Send an engineer to the top left to claim the buildings to the north. Immediately start building Mass Extractors with your ACU and move up left. You are given a small force as well as an ACU and four engineers. *** Spoiler - click to reveal *** Complete the mission with the blockade having taken less than 25% damage.