# infrared

A Pile of Stones, a Lesson in Limits: How a PLA Unit Turned Thermal-Image Deception into a Training Doctrine

During a high‑altitude PLA exercise, red‑team troops used sun‑warmed rocks to create false thermal signatures that misled blue‑team thermal imagers and triggered a simulated defeat. The blue team responded by studying environmental effects on infrared sensors, building a regional database and revising operational procedures to avoid similar deceptions.