Service numbers were used by the United States Department of Defense as the primary means of service member identification from 1918 until 1974 (and before 1947 by the U.S. Army and …

Learn about the Nato Phonetic Alphabet's history and how it was developed. See current and historic phonetic alphabets from WWI to present.

Nov 1, 2024 · It is a system of letters and numbers used by the armed forces of the United States, North Atlantic Treaty Organization (NATO), and International Civil Aviation Organization, and …

State Geographical Codes were used as the first two numbers of an Army or Air Force enlisted service number to indicate where a soldier had entered the U.S. military. For instance, the …

A service number or roll number is an identification code used to identify a person within a large group. Service numbers are most often associated with the military ; however, they also may …

Jan 1, 2024 · The United States military has its numbering system for identifying armed forces members. But did you know there’s a surprising meaning behind them? Each number is …

Feb 21, 2023 · What is a Service Number in the Military? A service number is a unique identification number assigned to members of the United States Armed Forces. It is used to …

Nov 24, 2024 · RI 20-97, officially titled “Service Numbers and Related Information,” details the regulations governing the assignment, format, and use of military service numbers for …

May 12, 2025 · When this system was created, it sought to unify disparate systems used by different branches of the U.S. military, including the Army and Navy. The DoD's naming …

Jul 31, 2023 · Introduced in the early 20th century, this numerical system served as a fundamental means of identifying military personnel across different branches of the service. …