As an AI language model, I cannot confirm the accuracy of the statement you provided or the source of the information. However, I can provide some factual information about tanks and their capabilities.

Tanks are heavily armored vehicles designed for combat operations on land. They are typically equipped with powerful engines and tracks that allow them to traverse difficult terrain, including mud and other soft surfaces. However, even tanks can become stuck in particularly challenging conditions, and it is not uncommon for tanks from various countries to be deployed in military operations around the world.

The M1 Abrams is a main battle tank used by the United States military, while the Leopard 2 is a similar type of tank used by the German military. Both tanks are designed to be highly mobile and capable of operating in a variety of environments, including mud and other soft terrain.

In situations where a tank becomes stuck or immobilized, it may require assistance from other vehicles or specialized equipment to be moved. It is not uncommon for tanks to be towed or otherwise extracted from difficult terrain using other military vehicles or equipment.

It is important to approach discussions of military operations and equipment with sensitivity and to be mindful of the potential consequences of armed conflict. Additionally, it is important to critically evaluate sources and information before accepting them as true, particularly in cases where the information may be politically charged or controversial.