Ukrainians launched a counteroffensive underground. "The first such operation in the world"

Ukrainian forces executed a significant underground counteroffensive operation, utilizing underground gas pipelines to disrupt Russian advances. The operation involved advanced technology for communication and navigation, allowing soldiers to navigate 15 km in dark, GPS-denied environments. This strategy aimed to prevent Russian troops from infiltrating Ukrainian rear positions. The commander of the operation, General Ihor Obolienski, emphasized the importance of understanding enemy tactics and turning them into advantages. This operation is noted as the world's first large-scale underground counteroffensive, highlighting the innovative military strategies employed by Ukraine.