The Army Chief of Staff assigned the Ranger training program at Fort Benning to Colonel John Gibson Van Houten .
In total , sixteen additional Ranger companies were formed in the next seven months : Eighth Army Raider Company and First through Fifteenth Ranger Company .
The Army Chief of Staff assigned the Ranger training program at Fort Benning to Colonel John Gibson Van Houten .
In total , sixteen additional Ranger companies were formed in the next seven months : Eighth Army Raider Company and First through Fifteenth Ranger Company .