Wales, Great Britain—Four Albanian Commandos have deserted during a NATO exercise.

The training exercise was taking place in the Brecon Beacons mountains in Wales.

They have been named as Ylber Kotri, Alexander Shkulaku, Klevis Lamkaj, and Reni Ajazi. All four men are veterans of Afghanistan. They were assigned to the Special Operations Battalion (BOS), Albania’s tier-one unit.