The headset tightened. The world outside vanished. She was no longer in a windowless room but seated in a virtual captain’s chair, the Alps scrolling silently beneath a false dawn. The instruments were crisp—too crisp. The air had no smell, no vibration. That was the danger of VACBI. It felt real, but it wasn’t. Complacency killed.

The CBT froze. Then, in quiet green text: “Module 23 complete. Performance: 94%. Notes: Manual rudder backup activation was 0.3 seconds slower than airline standard. Repeat this drill.”

“You hesitated,” he said.

Elena stared at the frozen screen. VACBI CBT 24 was already queued: Dual hydraulic failure, landing gear jam, fire in cargo hold. She felt a strange gratitude. The ghost in the machine was cruel because the sky was crueler.