- Added upgrades for the Con Yard, Barracks, Light, Heavy and High Tech Factory (last one is Atreides only)
- Updated the prerequisites of all structures, infantry and vehicles to use the upgrades
- Fixed the Ix Research building to use vanilla Dune 2000 prerequisites
- Renamed High Tech Facility to High Tech Factory like vanilla Dune 2000
- Given the Air Strike power to the High Tech Factory Upgrade like vanilla
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