"-Hotzone units are built to military standards to begin with, so passing a threat mitigation survey by an IA team would pretty much be a given:
Except that they weren't performed, so they are not a given, nor were they passed.
IA Capabilities Description
No Threat Mitigation Survey was completed for this trial, which would contain a listing of possible vulnerabilities and mitigation for this product. This trial changed sites before execution week, not allowing the IA team to perform an IA assessment on this trial.