Military Terminology

Marine Corps MOS codes

Marine Corps MOS Codes

Updated: June 12, 2023

The Marines use the Military Occupational Specialty (MOS) Code to identify all the jobs in the Marine Corps. It’s a four-digit code to identify specific job specialties. MOSs are grouped into different occupational fields (the first two digits) and then by a specific job in that field (the last two digits). After a recruit graduates […]

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DEFCON Levels

Updated: June 8, 2023

DEFCON stands for Defense Readiness Condition. Levels range from DEFCON 1 to DEFCON 5, with DEFCON 1 being the highest level of readiness. To the public’s knowledge, the U.S. has never reached DEFCON 1. The U.S. Joint Military Command and the Joint Chiefs of Staff set the current DEFCON level. Government officials do not publicly […]

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Military Reenlistment (RE) Codes

Updated: April 24, 2023

U.S. Military RE codes, found on military discharge documents like the DD-214, define a service member’s future eligibility to enlist or reenlist after discharge or separation from the military. The RE Codes for all branches of service are listed below. Where to Find the RE Code on a DD-214 You can find the RE Code in Box […]

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Military Acronyms and Abbreviations

Updated: February 14, 2023

Here is a long list of military acronyms, abbreviations and associated terms including slang, informal and Department of Defense (DOD) approved terminology. Browse through the acronym list letter by letter or use the search box to quickly look up an acronym and its meaning. The DOD Dictionary of Military and Associated Terms should be used […]

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What Does GI Mean?

What Does GI Mean?

Updated: November 2, 2022

In World War I, incoming enemy bombs were referred to as “G.I. cans.” Since the time of World War II, the term G.I. has been used to refer to military members. There is no definitive origin of the phrase, and different sources have different opinions on the meaning of the term, where it came from, […]

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Military time zones

Military Time Zones

Updated: January 4, 2023

With military operations conducted across the globe, the military clarifies time further by appending the time zone with a letter of the NATO phonetic alphabet. The way this works is the military divided the world into 24 time zones and assigned a letter of the phonetic alphabet to each time zone. The military uses Coordinated […]

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Military Law

Military Law

Updated: November 4, 2022

There are several fascinating aspects to military law, but the most important thing a service member, dependent, military spouse, or retirees need to know about military law? Do not attempt to navigate it on your own as your own legal counsel. There are too many reasons for this to list, but one of the most […]

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Difference Between Types of Military

The Difference Between Types of Military

Updated: November 5, 2022

There are many different types of military service, and the nature of each service plays a very important role in determining eligibility for certain benefits for veterans, those currently serving and their family members. The different types of military service will vary based on the type of commitment, (active duty, Guard or Reserve), the era […]

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Military Time Converter

Updated: January 2, 2024

The 24-hour clock, also known as military time, tells time by dividing the day into 24-hour increments, numbered 0000 to 2400. Military time differs from standard time, which uses numbers 1 through 12 and an a.m./p.m. designation to indicate time. For example, 3:00 on a 12-hour clock could be 3:00 a.m. or 3:00 p.m. In […]

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Military Separation Codes

Updated: November 2, 2022

Military Separation Codes are on form DD214 and categorize hundreds of reasons for a veteran’s separation from the military. Veterans are often unaware as to what these secret codes mean but they can be accessed by employers who want them for use in screening prospective employees. Officially, the Department of Defense no longer allows the […]

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