Assault troops of the 425th "Skelya" regiment carried out a lengthy clearance of a gas pipeline near Kupyansk

Assault troops of the 425th "Skelya" regiment carried out a lengthy clearance of a gas pipeline near Kupyansk
Assault troops of the 425th "Skelya" regiment carried out a lengthy clearance of a gas pipeline near Kupyansk

Months of fighting inside the pipe walls

Fighters of the 425th Separate Assault Regiment "Skelya" carried out a large-scale operation under the code name "Impassible". The actions took place in the Kupyansk area, where underground communications became another sector of combat operations.

Russian military units used the gas pipeline for the covert movement of forces. To block this route, Ukrainian assault troops waged active battles inside the pipe for several months, combining them with defensive actions on the surface.

Blocking tactics and risks

The strategy involved the gradual advance of Ukrainian troops deeper into the communications. The aim was to clear sections controlled by the enemy. Simultaneously, a defensive operation continued on the ground in the village of Redkivka, the main task of which was to block access to the underground infrastructure.

This method of conducting combat operations is extremely dangerous. The steel walls of the pipes create a risk of ricochets from bullets and fragments. During firing, gunpowder gases accumulate inside, and a lack of oxygen further complicates the presence of fighters.

Special equipment was used to ensure safety and mobility. Mine carts equipped with engines from powerful electric scooters are mentioned. To protect their airways, military personnel used gas masks and oxygen cylinders.

Results and context

The result of Operation "Impassible" was the restoration of control over a several-kilometre section of the gas pipeline. However, data regarding the recovery of approximately 15 kilometres of pipelines requires separate attribution.

The publication The Atlantic links this large-scale result to the actions of the "Khartya" corps and another operation — "Veles". This is not an exclusive achievement of the "Skelya" regiment alone within the framework of "Impassible". According to the publication, Ukrainian forces recovered two pipes, while dozens of others remain under the control of Russian forces.

Previously, there were reports of the underground counter-offensive operation "Veles" on the Kupyansk direction, where Ukrainian units also used communications to counter Russian plans for a covert breakthrough. The use of pipelines as routes for moving forces has become a separate challenge for the Ukrainian defence.

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