After all, his intent was for his men to lead from the front, tackling the toughest jobs and allowing a breakthrough by larger units to be less costly. With permission to raise three battalions, Darby created a rigorous training regimen designed to weed out those lacking in the physical and mental toughness he knew his men needed. Ranger Forged In Fire: The Birth of the US Army Rangers For it, he chose a name that had echoed across battlefields for hundreds of years.
The 31 year old Aide-de Camp of the 34th Infantry Division was selected to create and organize a light infantry fighting unit specializing in reconnaissance, raids and ambushes.
Captain William Orlando Darby had a keen interest in the organization and fighting style of the British commando.