- For this tactic you will need to get inside the GDI base, once again without detection or with luck (Like the video above).
- Run up the walkway leading up to the GDI symbol in front of their base.
- Jump straight at it and you should be on the symbol.
- Jump once again to gain access to the roof level. Plant your nuke when you are in the clear, and don't forget your C4.
- If you've accomplished this, then you should have a destroyed GDI Barracks.
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