Abstract

During World War I, the US had to quickly mobilize an army. Rather than demanding full physical fitness, it started accepting men with job skills, and tacitly accepted that the army was an industrial organization. WWI ended too quickly for the full implications to be felt, and the system was kept 'on the shelf' between the world wars. During WWII the system failed. It had only two categories (General Service and Limited Service) that did not reflect all the gradations of jobs. The US Army replaced Limited Service with a graded system based on physical ability.

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