Partial Tiberium contamination
Yellow Zone (2047)
With the subsequent reactivation of the GDI outpost here and capturing numerous Tiberium spikes, it was discovered that Nod harvested all Tiberium in the area. The trail led to their research facility, which was promptly levelled by GDI. After the sector was secure, GDI researchers discovered data indicating Nod's WMD research.