The world's toughest Special Forces
The US Navy SEALs have been in the spotlight recently, but who are the real 'best of the best'?
The U.S. Navy SEALs typically operate under the radar, but the killing of the world's most notorious terrorist, Osama bin Laden, put the elite soldiers in the spotlight. The soldiers are deployed to carry out the world's toughest jobs. The Navy SEALs are hardcore - but are they the 'best of the best'?
We take a look at the most dangerous special forces units in the world.