The history of the Navy SEALs, America's most elite warriors

Of all the special operations forces within the US military, none are as famous as the Navy SEALs. Responsible for such historic actions as the killing of Osama bin Laden, the SEALs are one of the US's go-to choices for extremely dangerous missions.

A PBS documentary, "Navy SEALs - Their Untold Story," digs into the history of the elite group's predecessors during World War II, its first official operations in the Vietnam War, and its deployment in 21st century conflicts.

Along the way, former commandos tell the stories of some of the SEALs' most incredible covert operations.

An earlier version of this post was written by Pierre Bienaimé.