The tactical team moved through the tunnel system for nearly forty minutes, Marcus's memory of the satellite imagery guiding their path through branching passages toward what he believed was the primary laboratory section.
"Junction ahead," Reyes whispered, checking his tactical display. "Marcus, this matches what you identified as the central reinforced path."
"Confirmed," Marcus said, studying the tunnel's architecture. "This should lead directly toward the security checkpoint Osei's team encountered during reconnaissance."
They advanced carefully, thermal imaging revealing no immediate threats ahead. The reinforced security door came into view exactly where Marcus had predicted, though this time, the tactical team came prepared with proper breaching equipment.
"Setting charges," one
