"That was why he was serving in the Green Berets, " he said.

CNN: Soldier's body to arrive in the U.S. Tuesday

Members of Special Forces units, such as the Green Berets and Navy SEALs, have highly developed skills that make them a valuable commodity in the war on terrorism.

NPR: Military Works to Retain In-Demand Special Forces

Two months ago, I presented the Medal to the parents of Staff Sergeant Robert Miller, who gave his life here in Afghanistan as a member of the Green Berets.

WHITEHOUSE: President Obama Speaks to Troops in Afghanistan

And our hearts swell with pride just hearing their names, including the legendary Green Berets.

WHITEHOUSE: Medal of Honor for Staff Sergeant Robert J. Miller

Although Vietnam themes have been a mainstay for Hollywood movies over the decades, all the flicks, from Green Berets and Apocalypse Now to the Rambo series, were shot elsewhere, usually the Philippines or Thailand.

CNN: Stops and Starts

They are a mixture of Green Berets, Rangers and the Delta Force from the Army, the Seals (which stands for Sea-Air-Land) from the Navy and the Air Force's combat controllers and para rescue teams.

BBC: Snipers

The book is published by Paladin Press, a Boulder, Colorado company founded by two former Green Berets, Peder Lund and Robert Brown (who later split off to found Soldier of Fortune magazine).

ECONOMIST: Free speech

The U.S. military is investigating six members of its elite Army Special Forces, or Green Berets, officials said.

CNN: STORY HIGHLIGHTS

While Chapman's is the first American military death from hostile fire, 10 other Americans have died since the campaign began in Afghanistan, including a CIA operative killed in a Taliban prison uprising and three Green Berets killed in an accidental bombing by U.S. planes.

CNN: Killed soldier devoted to family, country, parents say