Military Justice Glossary: 60 Key UCMJ Terms Defined
Key takeaways
- Military justice has its own vocabulary: terms like preferral, referral, and providence inquiry have no true civilian equivalents, and civilian analogies often mislead.
- Most entries link to a complete guide — use this page as a map into the full military justice library, not a substitute for it.
- Definitions here state the general rule under the UCMJ and Manual for Courts-Martial; service regulations add detail and vary by branch.
Every field builds its own shorthand, and military criminal law is denser than most: statutes by article number, rules by abbreviation, forms by number, doctrines by case name. The definitions below state each term the way the UCMJ, the Manual for Courts-Martial, and the Rules for Courts-Martial use it — in plain English, alphabetized, with a link to our complete guide wherever one exists.
Jump to a letter: A | B | C | D | E | F | G | H | I | J | L | M | N | O | P | R | S | T | U | V | W
A
Accuser
The person who signs and swears to charges under oath, directs that charges be preferred, or has an interest other than an official one in the prosecution. Accuser status matters because an accuser generally may not convene a general or special court-martial in that case — the charges must go to a superior authority. See our complete guide to preferral and referral of charges.
Allen credit
Day-for-day administrative credit against an adjudged sentence to confinement for each day the accused lawfully spent in pretrial confinement, named for United States v. Allen, 17 M.J. 126 (C.M.A. 1984). It is automatic for qualifying confinement and separate from any extra credit awarded for illegal pretrial punishment. See our complete guide to pretrial confinement credit.
Arraignment
The court session — typically the first Article 39(a) session — at which the charges are read to the accused (or the reading is waived) and the accused is called on to plead. Pleas are usually deferred. Arraignment is the event that satisfies the 120-day speedy trial rule of R.C.M. 707. See our complete guide to speedy trial in the military.
Article 13
The UCMJ provision prohibiting punishment before trial: an accused awaiting trial may not be punished, and pretrial restraint may not be more rigorous than needed to ensure the accused’s presence. Violations are typically remedied with additional confinement credit against the sentence. See our complete guide to Article 13 illegal pretrial punishment.
Article 15
The UCMJ article authorizing nonjudicial punishment — discipline a commander imposes for minor offenses without a court-martial. Punishments are limited (reduction, forfeitures, restriction, extra duties), and an Article 15 is not a federal conviction. Except aboard a vessel, the service member may refuse it and demand trial by court-martial. See our complete guide to Article 15 nonjudicial punishment.
Article 31 rights
Statutory self-incrimination protections that are broader than civilian Miranda rights. Before questioning a suspect or accused, a person subject to the UCMJ acting in an official capacity must inform them of the nature of the accusation, the right to remain silent, and that any statement may be used as evidence — no custody required. See our complete guide to Article 31(b) rights.
Article 32 preliminary hearing
The pre-referral hearing generally required before charges may be tried by general court-martial. A preliminary hearing officer examines probable cause, jurisdiction, and the form of the charges, and recommends a disposition. The accused has the right to counsel and, within limits, to present evidence and cross-examine witnesses. See our complete guide to the Article 32 preliminary hearing.
Article 39(a) session
A session of the court-martial held by the military judge without the members present. Arraignment, motions, evidentiary rulings, the providence inquiry on guilty pleas, and instructions conferences all happen in Article 39(a) sessions — which is why much of a court-martial is decided before a panel hears any evidence. See our complete guide to court-martial motions.
Article 134
The “General Article” — the UCMJ’s catch-all punitive article reaching disorders and neglects prejudicial to good order and discipline, conduct of a nature to bring discredit upon the armed forces, and certain non-capital federal crimes. Every Article 134 offense requires proof of a terminal element in one of those forms. See our complete guide to Article 134 and the terminal element.
B
Bad-Conduct Discharge (BCD)
A punitive discharge that may be adjudged against enlisted members by a general court-martial or a special court-martial with members or a military judge (not a summary court-martial). It is less severe than a dishonorable discharge but still a sentence of a court-martial, with lasting consequences for veterans’ benefits and civilian life. See our complete guide to punitive discharges.
Benchbook
The Military Judges’ Benchbook, Department of the Army Pamphlet 27-9 — the collection of pattern instructions military judges use to instruct panels on elements, defenses, evidentiary matters, and procedure. Though an Army publication, it is used across the services and is a primary drafting source for findings and sentencing instructions. See our complete guide to findings and instructions.
Brady material
Evidence favorable to the defense — exculpatory or impeaching — that the government must disclose under Brady v. Maryland, 373 U.S. 83 (1963). In courts-martial, R.C.M. 701 and case law give the accused disclosure rights that are in several respects broader than the constitutional minimum. See our complete guide to Brady and the duty to search.
C
CAAF
The United States Court of Appeals for the Armed Forces — the civilian Article I appellate court that sits atop the military justice system, above the service Courts of Criminal Appeals. Its five civilian judges review cases from all branches, mostly by discretionary petition, and its decisions bind every court-martial. See our complete guide to military appeals.
CCA
A Court of Criminal Appeals — each service’s intermediate appellate court (Army, Navy-Marine Corps, Air Force, Coast Guard). Under Article 66, a CCA reviews qualifying convictions for legal error and, uniquely, may weigh factual sufficiency and reassess sentences — powers civilian appellate courts lack. See our complete guide to Article 66 review.
Charge
The half of a military accusation that names the punitive article the accused allegedly violated — for example, “Charge I: Violation of the UCMJ, Article 121.” The facts themselves are alleged in the specification beneath it. A charge sheet may carry multiple charges, each with one or more specifications. See our complete guide to charges and specifications.
Clemency
Post-trial relief from the convening authority. After sentencing, the accused may submit matters under R.C.M. 1106 asking the convening authority to reduce or suspend the sentence. Since the 2019 reforms, that authority is significantly limited for serious offenses, but clemency submissions remain a meaningful post-trial right. See our complete guide to submitting clemency matters.
Conditions on liberty
The mildest form of pretrial restraint under R.C.M. 304(a)(1): orders directing a service member to do or refrain from doing specified acts — no-contact orders, alcohol prohibitions, reporting requirements — while otherwise leaving them free. Conditions on liberty alone do not start the 120-day speedy trial clock. See our complete guide to pretrial confinement and restraint.
Convening authority
The commander empowered to create a court-martial — referring charges to trial, detailing the members, entering into plea agreements for non-covered offenses, and taking limited post-trial action. The convening authority’s central role is a defining feature of military justice and the source of many of its safeguards and controversies. See our complete guide to the convening authority.
Court-martial
A military criminal trial convened under the UCMJ. There are three types — summary, special, and general — distinguished by composition, procedure, and maximum punishments, from a one-officer summary proceeding to a general court-martial that can adjudge the most severe sentences authorized by law. See our complete guide comparing the types of courts-martial.
Covered offense
An offense — including sexual assault, domestic violence, murder, and certain other serious crimes — for which the decision to prefer or refer charges belongs to the independent Office of Special Trial Counsel rather than the commander, under reforms effective in December 2023. See our complete guide to the Office of Special Trial Counsel.
D
DD Form 457
The Preliminary Hearing Officer’s Report — the form on which the officer who conducted an Article 32 preliminary hearing records conclusions on probable cause, jurisdiction, and the form of the charges, and recommends a disposition. It goes to the convening authority and is an early roadmap of the government’s case. See our complete guide to the Article 32 report.
Dishonorable Discharge
The most severe punitive discharge for enlisted members, reserved for offenses warranting separation under conditions of dishonor and only within a general court-martial’s power to adjudge. It carries the heaviest collateral consequences of any enlisted separation, including broad loss of veterans’ benefits. See our complete guide to punitive discharges.
Dismissal
Two distinct meanings. As a sentence, a dismissal is the officer equivalent of a punitive discharge, adjudged only by general court-martial. As a pretrial action, dismissal of charges terminates them — which, unlike withdrawal, generally restarts the 120-day speedy trial clock if done legitimately. See our complete guide to punitive discharges and dismissal.
E
Entry of judgment
The document by which the military judge terminates the trial-level proceedings, reflecting the findings and sentence as modified by any post-trial rulings and convening authority action. A creation of the 2019 reforms, entry of judgment marks the formal end of the court-martial and the start of appellate timelines. See our complete guide to the post-trial process.
Excludable delay
Time subtracted from the 120-day speedy trial count under R.C.M. 707(c) — either automatically (appellate stays, unauthorized absence, competency commitments) or by approval of the convening authority before referral or the military judge after referral. Excludable delay is the main battleground of most speedy trial motions. See our complete guide to R.C.M. 707 and excludable delay.
F
Fraternization
An improper relationship between an officer and enlisted member (or, under service regulations, between other ranks) that compromises the chain of command, violates the custom of the service, or prejudices good order and discipline. It may be punished under Article 134, under service-specific orders, or administratively. See our complete guide to fraternization and improper relationships.
G
General Court-Martial
The military’s highest trial court, reserved for the most serious offenses. It consists of a military judge and, unless the accused elects judge alone, at least eight members, and it may adjudge the maximum punishments authorized for each offense. Referral generally requires an Article 32 preliminary hearing and pretrial advice. See our complete guide to the types of courts-martial.
GOMOR
A General Officer Memorandum of Reprimand — the Army’s term for a formal written censure issued by a general officer. It is administrative, not a conviction, but a GOMOR filed permanently in a soldier’s official record frequently ends careers through promotion boards and separation actions. Other services use comparable letters of reprimand. See our complete guide to NJP and administrative actions.
H
Hearsay
An out-of-court statement offered in evidence to prove the truth of what it asserts. Hearsay is generally inadmissible in courts-martial under M.R.E. 802 unless an exclusion or exception applies — the military rules track the Federal Rules of Evidence, with exceptions for prior statements, business records, excited utterances, and many more. See our complete guide to hearsay in courts-martial.
I
Individual Military Counsel (IMC)
A specific military lawyer the accused requests by name to serve as defense counsel. If the requested counsel is reasonably available under service rules, the accused is entitled to them — normally in place of, or alongside, the detailed defense counsel — at no cost. Availability disputes are decided under service regulations. See our complete guide to your right to counsel.
J
Judge advocate
A commissioned officer who is a licensed attorney certified by a service’s Judge Advocate General. Judge advocates fill every uniformed legal role in the system — trial counsel, defense counsel, staff judge advocate, preliminary hearing officer, appellate counsel, and military judge — under distinct professional responsibility rules. See our complete guide to ethics rules for military lawyers.
L
Lesser included offense (LIO)
An offense necessarily included within a charged offense — one whose elements are a subset of the greater offense’s elements. Under Article 79, a court-martial may convict the accused of an LIO even though only the greater offense was charged, and judges must instruct on LIOs reasonably raised by the evidence. See our complete guide to lesser included offenses.
M
Manual for Courts-Martial (MCM)
The presidential executive order that implements the UCMJ. It contains the Rules for Courts-Martial, the Military Rules of Evidence, and Part IV’s explanation of each punitive article — elements, definitions, and maximum punishments — plus non-binding discussion. It is the working handbook of every court-martial. See our complete guide to the structure of military law.
Members (panel)
The military counterpart of a jury: officers — and, at an enlisted accused’s election, enlisted members — detailed by the convening authority to decide guilt. A conviction requires the concurrence of three-fourths of the members. Since the 2023 reforms, sentencing in most non-capital cases is by the military judge, not the members. See our complete guide to court-martial panel selection.
Military judge
The judge advocate certified and detailed to preside over a court-martial: ruling on motions and evidence, instructing the members, conducting the providence inquiry, and — in judge-alone trials and most sentencing proceedings — deciding the verdict or sentence. Military judges are independent of the convening authority. See our complete guide to the military judge.
Military Rules of Evidence (M.R.E.)
The evidence code for courts-martial, found in Part III of the MCM. The M.R.E. largely mirror the Federal Rules of Evidence but add military-specific provisions — among them the inspection rules, rape shield rule 412, propensity rules 413–414, and privileges such as the psychotherapist-patient privilege of M.R.E. 513. See our complete guide to the Military Rules of Evidence.
Mistrial
The military judge’s termination of a court-martial before findings (or sentence) under R.C.M. 915, granted only when manifestly necessary in the interest of justice — typically after prejudice that curative instructions cannot fix. A properly declared mistrial ordinarily permits the government to try the case again. See our complete guide to mistrials and R.C.M. 917 motions.
Multiplicity
Charging what is really one offense as several, exposing the accused to multiplied punishment in violation of double jeopardy principles. It is distinct from the related doctrine of unreasonable multiplication of charges, which polices piling on as a matter of fairness even where charges are not technically multiplicious. See our complete guide to multiplicity and unreasonable multiplication.
What this means if you’re facing charges
If you are looking up these terms because they have started appearing in your own paperwork — a preferred charge sheet, a confinement memo, a plea agreement offer — you are past the point where definitions are enough. Every term on this page is a decision point someone else is already working through. Talk to an experienced military defense lawyer before you make statements, sign anything, or accept any disposition.
N
Nonjudicial punishment (NJP)
The umbrella term for commander-imposed discipline under Article 15, known by service tradition as “Article 15” in the Army and Air Force, “Captain’s Mast” or “NJP” in the Navy and Coast Guard, and “Office Hours” in the Marine Corps. It resolves minor offenses without a court-martial and is not a criminal conviction. See our complete guide to Article 15 NJP.
O
Office of Special Trial Counsel (OSTC)
The independent prosecution office, established by statute effective December 2023, that exercises the decision to prefer and refer covered offenses — sexual assault, murder, domestic violence, and other listed crimes — removing those decisions from the accused’s chain of command. Each service fields its own OSTC led by a general or flag officer. See our complete guide to the OSTC.
P
Pierce credit
Sentence credit required when an accused is court-martialed for an offense already punished under Article 15, named for United States v. Pierce, 27 M.J. 367 (C.M.A. 1989). The accused must receive complete credit for the prior nonjudicial punishment — day for day, dollar for dollar, stripe for stripe. See our complete guide to confinement and sentence credit.
Plea agreement
A written agreement under R.C.M. 705 in which the accused promises to plead guilty (and often more) in exchange for charging or sentence concessions. Since the 2019 reforms, agreements may set sentence ranges or caps that bind the judge once accepted; the judge reviews every agreement before acting on it. See our complete guide to plea agreements.
Preferral
The formal beginning of court-martial charges: a person subject to the UCMJ signs the charge sheet under oath, swearing they have personal knowledge of or have investigated the matters alleged. Preferral triggers key rights and clocks — including the 120-day speedy trial rule and the Sixth Amendment speedy trial right. See our complete guide to preferral and referral.
Preliminary hearing officer (PHO)
The judge advocate detailed to conduct an Article 32 preliminary hearing. The PHO takes evidence, examines probable cause and jurisdiction, may approve certain pre-referral delays when delegated that authority, and reports conclusions and a disposition recommendation on DD Form 457. The recommendation does not bind the convening authority. See our complete guide to the Article 32 hearing.
Pretrial agreement
The legacy term for what is now the R.C.M. 705 plea agreement, used before the 2019 reforms. Older cases and older paperwork say “pretrial agreement” or “PTA”; the older device paired a guilty plea with a sentence cap hidden from the sentencing authority, unlike today’s judicially reviewed agreements. See our complete guide to modern plea agreements.
Pretrial confinement
Physical confinement before trial, permitted only on probable cause plus a determination that confinement is necessary because lesser restraint is inadequate — typically flight risk or risk of serious further misconduct. It triggers prompt reviews (48-hour, 72-hour, and 7-day), the Article 10 speedy trial standard, and Allen credit. See our complete guide to pretrial confinement.
Providence inquiry
The military judge’s searching colloquy before accepting a guilty plea, rooted in United States v. Care: the accused must personally admit facts establishing every element, understand the rights waived, and reveal no matter inconsistent with guilt. A plea that fails this inquiry is improvident and cannot stand. See our complete guide to the providence inquiry.
Punitive articles
The UCMJ’s criminal code: Articles 77 through 134, defining offenses from absence without leave and disobedience to sexual assault, larceny, and murder, plus the general article. Part IV of the MCM sets out each article’s elements, definitions, and maximum punishments. See our complete guide to how military crimes are defined.
R
Referral
The order sending preferred charges to a particular court-martial for trial — the military’s counterpart to an indictment reaching a docket. For most offenses the convening authority refers; for covered offenses, special trial counsel does. Referral fixes the type of court-martial and frames everything that follows. See our complete guide to preferral and referral.
Restriction
Pretrial (or punitive) restraint directing a service member to remain within specified limits — the unit area, the installation — usually while continuing normal duties. Pretrial restriction under R.C.M. 304 starts the 120-day speedy trial clock, and restriction severe enough to amount to arrest can trigger Article 10. See our complete guide to pretrial restraint.
Rules for Courts-Martial (R.C.M.)
The procedural rules for military criminal cases, prescribed by the President in Part II of the MCM. The R.C.M. govern everything from preferral (R.C.M. 307) and pretrial confinement (R.C.M. 305) to plea agreements (R.C.M. 705), motions (R.C.M. 905–907), and post-trial procedure. Citations like “R.C.M. 707” refer to these rules. See our complete guide to the sources of military law.
S
Sanity board
An inquiry under R.C.M. 706 by one or more mental health professionals into the accused’s mental condition — both mental responsibility at the time of the offense and present competence to stand trial. Either side or the court may raise the question; the board’s short-form conclusions go to all parties. See our complete guide to mental responsibility and competence.
Special Court-Martial
The mid-level court-martial, for offenses of intermediate seriousness. A special court-martial with a military judge and four members (or judge alone at the accused’s election) may adjudge up to twelve months of confinement and a bad-conduct discharge; a judge-alone special court-martial referred under Article 16(c)(2)(A) is capped lower, with no discharge. See our complete guide to the types of courts-martial.
Special Victims’ Counsel (SVC)
A military lawyer detailed to represent the interests of a crime victim — called Special Victims’ Counsel or Victims’ Legal Counsel depending on the service. SVCs advise victims of their rights, may assert those rights in court, and stand independent of both prosecution and defense. See our complete guide to victims’ rights and SVCs.
Specification
The factual half of a military accusation: a plain, concise statement alleging what the accused did, where, and when, listed under the charge naming the article violated. Each specification is a separate allegation the government must prove beyond a reasonable doubt, and defects in specifications drive motions practice. See our complete guide to charges and specifications.
Speedy trial
In courts-martial, a layered set of protections: R.C.M. 707’s 120-day rule from preferral, qualifying restraint, or entry on active duty to arraignment; Article 10’s stricter reasonable-diligence standard for an accused in pretrial arrest or confinement; and the Sixth Amendment and due process. Violations are remedied by dismissal. See our complete guide to military speedy trial rights.
Staff Judge Advocate (SJA)
The senior judge advocate serving as legal advisor to a convening authority. The SJA provides the Article 34 pretrial advice that must precede referral to a general court-martial, advises on disposition and post-trial matters, and supervises the command’s legal office — a role distinct from prosecutor or defense counsel. See our complete guide to Article 34 pretrial advice.
Summary Court-Martial
The lowest form of court-martial: a single officer resolves minor offenses by enlisted members under simplified procedure. Punishments are sharply limited, a summary court-martial is not a criminal conviction, and the accused may refuse it — ordinarily accepting the risk of a higher forum instead. See our complete guide to the summary court-martial.
T
Terminal element
The element every Article 134 offense requires: that the conduct was prejudicial to good order and discipline, service-discrediting, or a listed crime or offense not capital. After United States v. Fosler, 70 M.J. 225 (C.A.A.F. 2011), the terminal element must be expressly alleged in the specification, not implied. See our complete guide to Article 134 and the terminal element.
Trial counsel
The prosecutor in a court-martial — the judge advocate detailed to present the government’s case, with duties including discovery disclosures and post-referral administration. In covered-offense cases, special trial counsel from the OSTC prosecute. Despite the confusing name, trial counsel represents the United States, never the accused. See our complete guide to who’s who in a court-martial.
U
Uniform Code of Military Justice (UCMJ)
The federal statute — codified at 10 U.S.C. §§ 801–946a — that establishes the military criminal justice system: who is subject to it, the punitive articles, courts-martial and their procedures, nonjudicial punishment, and appellate review. Enacted in 1950 to unify the services’ separate codes, it is implemented by the MCM. See our complete military justice library.
Unlawful command influence (UCI)
Improper use, or appearance of use, of command authority to influence a court-martial — pressuring witnesses, signaling desired outcomes, or interfering with panel members — prohibited by Article 37 and long called the “mortal enemy of military justice.” Once the defense raises some evidence of UCI, the government bears a heavy rebuttal burden. See our complete guide to unlawful command influence.
Unsworn statement
The accused’s right at sentencing to make a statement — orally, in writing, or both — without taking the oath and without cross-examination. It is the accused’s broadest opportunity to speak directly to the sentencing authority, subject to limited rebuttal, and choosing between sworn testimony and an unsworn statement is a core sentencing decision. See our complete guide to court-martial sentencing.
V
Voir dire
The questioning of prospective panel members by the military judge and counsel to expose grounds for challenge — bias, prior knowledge, inelastic views on punishment. It supports challenges for cause (unlimited) and each side’s single peremptory challenge, and it is the defense’s first chance to shape the panel that will judge the case. See our complete guide to challenges and voir dire.
W
Waiver vs. forfeiture
Two ways an issue dies. Waiver is the intentional relinquishment of a known right — it extinguishes the issue, leaving nothing to review on appeal. Forfeiture is the mere failure to make a timely objection — the issue survives, but appellate courts review it only for plain error. The distinction decides many appeals. See our complete guide to which motions are waived if not raised.
Withdrawal of charges
The removal of charges from a court-martial after referral under R.C.M. 604. Withdrawn charges may later be referred to another court-martial for proper reasons, and — critically — withdrawal does not reset the 120-day speedy trial clock the way a legitimate dismissal does. See our complete guide to preferral, referral, and what follows.
Frequently asked questions
Are these glossary definitions the full legal rule for each term?
No. Each entry states the general rule under the UCMJ, the Manual for Courts-Martial, and the Rules for Courts-Martial in plain English. Nearly every term carries exceptions, service-specific variations, and case law the short definition cannot hold — which is why most entries link to a complete guide, and why none of this substitutes for advice from counsel about your own case.
Why do military justice terms differ so much from civilian criminal law terms?
Because the systems grew separately. Military justice runs on a federal statute enacted in 1950, administered by commanders, judge advocates, and panels rather than district attorneys and juries. Concepts like preferral, referral, nonjudicial punishment, and the providence inquiry have no true civilian counterpart, so borrowing civilian vocabulary — 'indictment,' 'grand jury,' 'plea bargain' — often distorts how the military process actually works.
Have recent reforms changed what any of these terms mean?
Yes. The 2019 Military Justice Act reshaped plea agreements, post-trial procedure, and entry of judgment, and reforms effective in December 2023 created the Office of Special Trial Counsel, covered offenses, and judge-alone sentencing in most cases. Older articles and older paperwork may use superseded terms — 'pretrial agreement' is the clearest example — so check the date of anything you read.
About the attorneys behind this guide
Michael Waddington, Civilian Military Defense Lawyer
Michael Waddington has practiced in every corner of the vocabulary on this page for more than 25 years — as an Army officer, prosecutor, and defense counsel, and as a civilian military defense lawyer trying courts-martial worldwide, from Article 120 prosecutions to war crimes and online sting cases. A published author on cross-examination and a trial advocacy instructor, he built this glossary the way he explains terms to clients: precisely, and in plain English.
Alexandra González-Waddington, Founding Partner
Alexandra González-Waddington, founding partner of Gonzalez & Waddington, has spent more than 20 years defending service members in the proceedings these terms describe — courts-martial for sexual assault, violent offenses, and white-collar cases, plus administrative separation boards and Boards of Inquiry where terms like GOMOR and NJP decide careers. Bilingual in English and Spanish, she reviewed every definition on this page against the current UCMJ and Manual for Courts-Martial.
Talk to a civilian court-martial defense lawyer today
Gonzalez & Waddington defends Soldiers, Sailors, Airmen, Marines, Guardians, and Coast Guardsmen worldwide — in UCMJ investigations, courts-martial, Article 15/NJP actions, GOMOR rebuttals, administrative separation boards, and Boards of Inquiry. We defend the whole case: the investigation, the trial, the administrative fallout, and the long-term consequences to your rank, retirement, clearance, and discharge.
Sources for this guide include the Uniform Code of Military Justice, the Manual for Courts-Martial (2024 ed.), the Rules for Courts-Martial, the TJAGLCS Criminal Law Deskbook, and the cited decisions of the Court of Appeals for the Armed Forces and the service Courts of Criminal Appeals. It is attorney advertising and general legal information — not legal advice, and reading it does not create an attorney–client relationship. Every case turns on its own facts. Service procedures vary; Army references (AR 27-10) are noted where used.