Army - Serial Numbers

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Change Army Serial Lists

Add second letter after 99,999 are numbered. The Pentagon has reported another example of the growing military forces - it has run out of digits in a series of serial numbers first used in 1921 for regular army officers. Since the Army assigned the first serial number of "0-1" to Gen. John J. Pershing, it has used up 99,999 designations. It announced yesterday the beginning of a new series - "OF-10001." The "F" has no meaning or significance. First Lt. Eric E. Smart of the corps of engineers got the last of the old set - "0,99,999."

South Bend Tribune
3/17/64