As Nato refocuses on its eastern borders after Russia’s annexation of Crimea, the US is quietly deploying more troops to train special forces in former Soviet bloc states anxious about Moscow’s intentions.

Major exercises began last month in Poland, Slovakia and the Baltic states of Estonia, Lithuania and Latvia, involving several hundred personnel from US special forces, the US European Command (Eucom) said in a statement.

Long-term plans include further training drills that will consistently keep about 100 US elite troops on the ground at any one time in Nato states close to Russia, with teams working in several countries, US official said.

Troops will not be permanently based in any one country in Eastern Europe

The events in eastern Ukraine, where Russian-speaking insurgents using sophisticated weapons threat-en to split the country, have put the whole former Soviet bloc region on alert and eager for Nato reassurance.

Eucom says its Special Operations Command Europe (Soceur) increased the size and scope of its planned exercises after Ukraine flared into violence, reinforcing Washington’s message to Moscow that it would stand by its allies.

“Training with our partners in their home countries is something we have always done,” said Soceur spokesman Lieutenant-Colonel Nick Sternberg. “The difference is that now we will maintain a [persistent[Special Operations Forces presence in theatre along the eastern front of Nato on this training mission,” Sternberg said.

Troops will not be permanently based in any one country in Eastern Europe nor will they have any permanent bases there.

Highly trained and equipped with advanced communications equipment and weapons, special forces are often used in counterterrorism or reconnaissance operations. They can infiltrate enemy lines to tie down much larger numbers of opposition troops.

US special forces saw their numbers more than double, their budget triple and their deployments quadruple in the decade after the September 11, 2001, al-Qaeda attacks. Particularly under the Obama administration, they have been at the centre of the offensives against al-Qaeda and the Taliban in Iraq and Afghanistan.

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