Sometimes Hackworth is a little off the mark.
FORT BENNING, Ga. -- U.S. military technology, accelerating American dominance over allies and rivals at a dizzying pace, is driving enemy forces to scatter and hide where they are vulnerable only to that most humble and low-tech weapon -- the infantry grunt.
The lessons emerging from the global war on terrorism suggest the Pentagon will come to depend heavily on infantry to track down and root out terrorists and guerrillas, to assault Saddam Hussein's last defenders in their hide-holes, to provide security and stability in postwar nations like Afghanistan, and to offer a reassuring American presence in volatile regions from the Korean peninsula to southern Europe and Africa.
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Other stuff.
Ranger Course Sample PT
Ranger Course Pamphlet
I am not convinced yet.
Here's a good Ranger site.
ArmyRanger.com