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How GCSS-Army fits in
GCSS-Army is the single enterprise system that carries the property book, unit supply, maintenance, and the funding behind them. It replaced the separate legacy systems units used to run side by side.
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Reading an Army publication number
What ADP, FM, ATP, TC, AR, DA PAM, and STP each mean, how the numbers are built, and why the difference between doctrine and policy decides how you cite it.
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The Army Body Composition Program and the screening process
How screening table weight works, when a body fat assessment is required, the maximum allowable body fat by age and sex, and why the assessment method is not what the 2019 regulation says.
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The Army Fitness Test: events, scoring, and the passing standard
The five events of the AFT, how the 500 points are built, the difference between the general standard and the combat standard, and who is exempt.
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The Army Green Service Uniform
What the AGSU is made of, the configurations it is worn in, and the transition that made it the Army's everyday service uniform.
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The Army memorandum under AR 25-50
How an Army memorandum is built, the three types you will actually write, and the formatting rules that get a memo returned when they are missed.
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The Army Values and the Warrior Ethos
Seven values remembered as LDRSHIP, and the four lines of the Warrior Ethos inside the Soldier's Creed. Board members expect these cold, and they expect you to explain what they mean.
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The Army's operational concept: multidomain operations
Multidomain operations is the Army's operational concept. It replaced unified land operations, which means a lot of study material written before 2025 is teaching a superseded framework.
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The Army's strategic roles
The four roles the Army performs for the joint force, from shaping an environment in peacetime through consolidating gains after the fighting stops.
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The Army's uniforms and when each one is worn
The utility, service, dress, and mess uniforms, what each is for, and who decides which one you wear on a given day.
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The four things Army forces do: offense, defense, stability, DSCA
The four operations Army forces conduct, the subordinate types under offense and defense, and a note on the terminology that changed with the 2025 doctrine revision.
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Wearing the Army Combat Uniform in OCP
The complete OCP uniform, where the flag and the patches go, what commanders may and may not authorize, and the wear rules Soldiers get corrected on most often.
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Confirming you have the current edition
How to check the Army Publishing Directorate for the edition in effect, and the warning signs that the file on your desktop is out of date.
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Grooming, jewelry, and tattoo standards
The AR 670-1 appearance standards a board will ask about, and an honest warning about which of them have been changed by Army directive since the 2021 edition.
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Levels of leadership
Direct, organizational, and strategic. The competencies stay the same at every level; the span, the time horizon, and the amount of face-to-face contact change.
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Order of precedence for awards
The overall order in which categories of awards are worn, the order of U.S. military decorations from the Medal of Honor down, and the Army unit awards.
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Rank and insignia: enlisted, warrant officer, and commissioned
Every Army grade with its title, abbreviation, and insignia, including the two E-4 grades and the two E-8 and E-9 positions that share a pay grade.
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The leadership requirements model
ADP 6-22 describes what a leader must be and what a leader must do: three attributes of character, presence, and intellect, and ten competencies grouped under leads, develops, and achieves.
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The PRT session and the H2F approach to injury prevention
The three components of a physical readiness training session, the three principles behind it, and why most Army fitness injuries are training design failures.
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The seven principles of mission command
Mission command is how the Army exercises command and control: tell subordinates what to accomplish and why, then let them figure out how. Seven principles make that work.