Court-Martial Sentencing: Procedure, Evidence, and What Decides the Sentence
Key takeaways
- Sentencing is a separate trial that begins moments after findings — and for offenses on or after December 27, 2023, the military judge sentences in every non-capital case, even after a panel verdict.
- The government’s evidence is limited to five categories under R.C.M. 1001(b) — and each piece must survive its category, its form, and M.R.E. 403 balancing.
- Aggravation evidence must directly relate to or result from the offenses of conviction — not the accused’s life story of unrelated misconduct. United States v. Hardison, 64 M.J. 279 (C.A.A.F. 2007).
- The accused may make an unsworn statement — oral, written, or both, through counsel or personally — that is not subject to cross-examination; the government may rebut only its statements of fact.
- Sentence credits — for pretrial confinement, illegal punishment, and prior Article 15 punishment — can cut months off the sentence, but only if the defense proves and preserves them.
A second trial: the bifurcated court-martial
A court-martial runs in two phases. First comes the trial on the merits, ending in findings of guilty or not guilty. If there is any finding of guilty — by contested verdict or by an accepted guilty plea — the court moves, usually the same day, into a presentencing proceeding governed by R.C.M. 1001.
That second phase is a genuine adversarial hearing: witnesses, exhibits, objections, argument. Evidence properly admitted on the merits stays in play — the sentencing authority may consider anything introduced before findings, including evidence admitted for a limited purpose. R.C.M. 1001(g)(2). In a guilty-plea case, the accused’s own admissions during the providence inquiry can be presented too, analyzed for admissibility like any other government evidence. United States v. Figura, 44 M.J. 308 (C.A.A.F. 1996).
The defense cannot use sentencing to re-fight the verdict — evidence or argument that challenges the prior findings of guilt is off-limits. United States v. Teeter, 16 M.J. 68 (C.M.A. 1983). The fight is over punishment, and it has its own rules of engagement.
Who decides the sentence after the 2023 reforms
The National Defense Authorization Act for 2022 rewrote the answer to the most basic question in this phase. For any non-capital court-martial trying offenses committed on or after December 27, 2023, the accused is sentenced by the military judge — regardless of whether a panel of members or the judge decided findings. R.C.M. 1002. Panel sentencing survives only for capital cases and for older offenses.
Judge-alone sentencing changed the shape of the sentence itself:
- Segmented sentences. When the military judge sentences on multiple findings, confinement and fines must be specified offense by offense, and the judge must state whether terms of confinement run consecutively or concurrently. R.C.M. 1002(d)(2)(B); United States v. Flores, 84 M.J. 277 (C.A.A.F. 2024).
- Parameters and criteria. Where sentencing parameters or criteria apply to an offense, the judge must consider the criteria and sentence within the parameters unless specific facts, stated in writing, justify a departure — a regime covered in depth in sentencing parameters and criteria after the 2023 reforms.
- Unitary panel sentences. A panel that still sentences a legacy case issues one undivided sentence for all offenses, adopted by at least three-fourths of the members — unanimity is required only for death.
If the judge accepts a plea agreement containing a sentence limitation, the court must sentence within it — though the judge can refuse a proposed sentence, in or out of parameters, that is plainly unreasonable. R.C.M. 1002(a)(2).
The government’s case: five categories under R.C.M. 1001(b)
Trial counsel does not get free rein. The prosecution’s presentencing evidence must fit one of five enumerated categories — and courts test each exhibit three ways: does it fit a category, is it in admissible form, and does it survive M.R.E. 403 balancing under the Military Rules of Evidence?
| Category | What it covers | Key limits |
|---|---|---|
| Service data — R.C.M. 1001(b)(1) | Name, rank, unit, pay, term of service, pretrial restraint — from the charge sheet | Must be verified before trial; pay and grade change constantly |
| Personnel records — R.C.M. 1001(b)(2) | Records reflecting the character of prior service, including formal Article 15s and reprimands | Must be maintained under departmental regulations; no “backdoor” for otherwise inadmissible evidence |
| Prior convictions — R.C.M. 1001(b)(3) | Military and civilian convictions | No juvenile adjudications, minor traffic offenses, foreign or expunged convictions |
| Aggravation — R.C.M. 1001(b)(4) | Circumstances directly relating to or resulting from the offenses — victim impact, mission impact, hate-crime motive | “Directly related” is a real limit; M.R.E. 403 applies |
| Rehabilitative potential — R.C.M. 1001(b)(5) | Opinion on past duty performance and potential to return to a useful place in society | Foundation required; no specific acts on direct; no opinion on whether to give a punitive discharge |
The category lines carry real consequences. Handwritten notes stuffed into confinement paperwork were not admissible personnel records because no regulation provided for them. United States v. Fontenot, 29 M.J. 244 (C.M.A. 1989). A prosecution exhibit of service-record “excerpts” that turned out to contain an entire military police investigation and the accused’s rejected plea offer cost the government the sentence. United States v. Reyes, 63 M.J. 265 (C.A.A.F. 2006). A record of nonjudicial punishment ordinarily requires a showing that the accused could consult counsel and waived the right to demand trial — the defects live on the face of the form, and defense counsel should read every one. For what those Article 15 records represent, see our nonjudicial punishment guide.
Aggravation is where most of the fighting happens. The rule’s own language sets the boundary:
“. . . [E]vidence as to any aggravating circumstances directly relating to or resulting from the offenses of which the accused has been found guilty.”R.C.M. 1001(b)(4)
Uncharged larcenies from the same victim came in as part of a continuing scheme (United States v. Nourse, 55 M.J. 229 (C.A.A.F. 2001)); pre-service drug use did not, because it was not directly related to the convicted crime (United States v. Hardison, 64 M.J. 279 (C.A.A.F. 2007)); and a suicide note too attenuated from a dereliction offense was prejudicial error (United States v. Rust, 41 M.J. 472 (C.A.A.F. 1995)). Rehabilitative-potential opinion has its own guardrails: the witness needs a foundation beyond the severity of the offense, and no witness may opine that the accused deserves a punitive discharge — or use a euphemism for one. United States v. Ohrt, 28 M.J. 301 (C.M.A. 1989).
Two caveats cut in opposite directions. Evidence that fails one category may still enter through another — a questionnaire listing traffic offenses came in as a personnel record though it flunked the prior-conviction rule (United States v. Ariail, 48 M.J. 285 (C.A.A.F. 1998)), and a stipulation of fact from an earlier court-martial entered the same way (United States v. Douglas, 57 M.J. 270 (C.A.A.F. 2002)). But the categories cannot be used as a “backdoor” for what the rules exclude: plea-bargaining statements stay out under M.R.E. 410 even when they concern other offenses, and it was error to admit a request for administrative discharge in lieu of court-martial. United States v. Vasquez, 54 M.J. 303 (C.A.A.F. 2001). There is also no rule of completeness — trial counsel cannot be forced to introduce the favorable pages of a personnel file alongside the unfavorable ones, so the defense must offer its own.
Victim statements: the right to be reasonably heard
Separate from the government’s case, a crime victim — anyone who suffered direct physical, emotional, or pecuniary harm from an offense of conviction — has an independent right to be reasonably heard. R.C.M. 1001(c). In non-capital cases that means a sworn statement, an unsworn statement, or both; in capital cases, a sworn statement. The right belongs to the victim, not the prosecution, and is separate from the government’s power to offer victim-impact evidence in aggravation. United States v. Barker, 77 M.J. 377 (C.A.A.F. 2018).
Limits still apply. The statement must be a statement — oral, written, or both — not a video or multimedia production, and it cannot be a vehicle for the government to slip in evidence the rules would otherwise exclude. United States v. Edwards (C.A.A.F. 2022). A victim’s unsworn statement is not “evidence,” but counsel for both sides may comment on it in argument. United States v. Tyler, 81 M.J. 108 (C.A.A.F. 2020). The wider landscape of victims’ procedural rights is covered in victims’ rights and Special Victims’ Counsel.
The defense case: extenuation, mitigation, and the unsworn statement
The defense then presents its case in two registers. Extenuation explains the circumstances surrounding the offense — reasons that fall short of legal justification but shrink its moral weight. Mitigation is about the accused: reputation, record, awards and decorations — combat awards deserve particular attention (United States v. Demerse, 37 M.J. 488 (C.M.A. 1993)) — family circumstances, mental health. Evidence that the accused may have suffered a psychotic reaction from insecticide poisoning was proper mitigation because it might lessen the sentence (United States v. Bray, 49 M.J. 300 (C.A.A.F. 1998)), and counsel who fail to present available psychological evidence risk being found ineffective (United States v. Doss, 57 M.J. 182 (C.A.A.F. 2002)). Evidence that a punitive discharge would forfeit retirement worth hundreds of thousands of dollars is proper mitigation too, and excluding a retirement-loss estimate has been reversible error. United States v. Washington, 55 M.J. 441 (C.A.A.F. 2001).
The accused personally has two options:
- Sworn statement — full testimony, subject to cross-examination by trial counsel, the military judge, and members, and impeachable like any witness.
- Unsworn statement — oral, written, or both; delivered by the accused, by counsel, or both; not subject to cross-examination. R.C.M. 1001(d)(2)(C).
The unsworn statement’s breadth is protected. The accused may mention matters that would be inadmissible as sworn testimony — including that co-actors were treated more leniently (United States v. Grill, 48 M.J. 131 (C.A.A.F. 1998)) and that the command intended to discharge him administratively absent a punitive discharge (United States v. Britt, 48 M.J. 233 (C.A.A.F. 1998)). It is not unlimited: polygraph results stayed out because they would relitigate the verdict (United States v. Johnson, 62 M.J. 31 (C.A.A.F. 2005)), and the judge may instruct members to put irrelevant comparisons aside. On defense request, the military judge may relax the rules of evidence for sentencing — but relaxation goes to reliability and form, not to admitting the inadmissible, and it relaxes the rules for the government to the same extent. United States v. Saferite, 59 M.J. 270 (C.A.A.F. 2003).
What this means if you are facing sentencing
Most of the sentencing case is built weeks before findings, not after them. The character letters, the retirement-loss calculation, the mental-health records, the witnesses who can speak to your service — none of it materializes overnight, and the decision between a sworn and an unsworn statement is one of the most consequential strategic calls in the entire trial. If your case is heading toward findings, your defense team should already be building the sentencing case in parallel. If that is not happening, ask why — or ask someone else.
Rebuttal, argument, and instructions
Government rebuttal must actually “explain, repel, counteract or disprove” defense evidence. United States v. Wirth, 18 M.J. 214 (C.M.A. 1984). Against an unsworn statement the government’s lane is narrower still: it may rebut only statements of fact. “I have tried throughout my life . . . to stay within the laws” was a rebuttable fact (United States v. Manns, 54 M.J. 164 (C.A.A.F. 2000)); “I feel that I have served well” was opinion — argument, not fact — and could not be rebutted (United States v. Cleveland, 29 M.J. 361 (C.M.A. 1990)). After rebuttal, the defense may offer surrebuttal, including a second unsworn statement.
Both counsel then argue for a specific sentence. In panel cases the military judge instructs the members under R.C.M. 1005 — and since United States v. Boyd, 55 M.J. 217 (C.A.A.F. 2001), judges must instruct on the impact of a punitive discharge on retirement benefits when the evidence supports it and a party asks. Instructions on collateral consequences are permitted more broadly, but they must be clear and legally correct — when members interrupted deliberations to ask about parole and rehabilitation programs, the judge could answer from a reasonably available body of information rationally related to sentencing. United States v. Duncan, 53 M.J. 494 (C.A.A.F. 2000).
What the sentence can include
R.C.M. 1003 supplies the menu: reprimand, forfeiture of pay and allowances, fine, reduction in grade for enlisted members, restriction (up to two months), hard labor without confinement (up to three months, enlisted only), confinement, punitive separation, and — for a handful of offenses, by unanimous vote — death. Each has technical rules with teeth: a special court-martial can reach only two-thirds forfeitures of pay and no allowances; partial forfeitures must be stated in whole dollars per month for a stated number of months; the court adjudges a reprimand but the convening authority writes it. R.C.M. 1003(b).
Ceilings come from the offense and the forum — generally the lesser of the punishment authorized in Part IV of the Manual and the jurisdictional limit of the court. The full framework of limits is mapped in maximum punishments under the UCMJ. Some offenses carry mandatory minimums: since the 2014 NDAA, convictions for rape, sexual assault, rape or sexual assault of a child, forcible sodomy, or attempts require a dishonorable discharge or dismissal. Article 56, UCMJ. The stakes and mechanics of bad-conduct discharges, dishonorable discharges, and dismissals — and of confinement credit for pretrial confinement, illegal punishment, and prior Article 15s — each get their own deep dive.
Deliberation, announcement, and finality
In panel cases, members deliberate with their notes, the exhibits, and written instructions, and vote by secret written ballot — three-fourths concurrence for any sentence except death, which requires unanimity. R.C.M. 1006; Article 52, UCMJ. The sentence is put in proper form on a sentence worksheet and announced in open court; the military judge announces each term of confinement, whether terms run consecutively or concurrently, and the remaining punishments. R.C.M. 1007.
Announced sentences are hard to unwind. Deliberations are privileged, and a sentence may be impeached only in narrow circumstances such as outside influence on the members. R.C.M. 1008. From announcement, the case moves into the post-trial process — entry of judgment, clemency, and appellate review — where a punitive discharge still cannot be executed until appellate review is complete.
Practitioner’s note
We treat sentencing as a second trial with its own theory, and we build it from the first client meeting — because the most common government error we see is a category error: an exhibit offered as a personnel record that is really uncharged misconduct, “aggravation” that does not directly relate to the findings, a rebuttal witness with no foundation. Those objections are only available to counsel who mapped R.C.M. 1001(b) against every page of the government’s sentencing packet in advance. On our side of the room, the unsworn statement is drafted and rehearsed like a closing argument — and every mitigation exhibit is corroborated, because sentencing credibility is the defense’s most valuable asset.
Frequently asked questions
Who decides the sentence at a court-martial?
For non-capital offenses committed on or after December 27, 2023, the military judge sentences the accused in every general and special court-martial, even when a panel of members decided guilt. Panel sentencing remains for capital cases and for older offenses, where members vote by secret ballot and any sentence other than death requires three-fourths concurrence.
What happens at a court-martial sentencing hearing?
It is a separate adversarial hearing under R.C.M. 1001. The government presents service data, personnel records, prior convictions, aggravation evidence, and rehabilitative-potential opinions; crime victims may make sworn or unsworn statements; the defense presents extenuation and mitigation, and the accused may make a sworn or unsworn statement. Both sides argue, and the sentence is announced in open court.
Can I make a statement at sentencing without being cross-examined?
Yes. The unsworn statement — oral, written, or both, delivered personally or through counsel — is not subject to cross-examination. It is broad: you may raise matters that would be inadmissible as sworn testimony. The government may rebut only statements of fact within it, not your opinions or expressions of remorse.
Can the prosecution bring up my old Article 15s and reprimands at sentencing?
Often, yes. Formal Article 15 records and reprimands kept under departmental regulations can come in as personnel records reflecting the character of prior service under R.C.M. 1001(b)(2). But the documents must be regular on their face, an NJP record ordinarily requires proof you could consult counsel and waived trial, and every exhibit must survive M.R.E. 403 balancing.
Does the sentencing court know about the plea agreement's limits?
The military judge does. If the judge accepts a plea agreement containing a sentence limitation, the court must sentence in accordance with it, and the judge may reject a proposed sentence as plainly unreasonable. Sentence credits for pretrial confinement or illegal punishment are then applied so the relief remains meaningful against the sentence you actually serve.
Is evidence from the trial itself considered at sentencing?
Yes. Anything properly admitted before findings may be considered on sentence, including evidence that came in for a limited purpose, and in guilty-plea cases the government may present the accused's admissions from the providence inquiry. What the defense cannot do is use sentencing to challenge or relitigate the findings of guilt.
About the attorneys behind this guide
Michael Waddington, Civilian Military Defense Lawyer
Michael Waddington has spent more than 25 years trying the second half of courts-martial — the sentencing case — for service members worldwide, from Article 120 prosecutions to war crimes and violent-offense cases. A former Army officer who served as both prosecutor and defense counsel, he knows how sentencing packets are assembled and where their category errors hide, and as a trial advocacy instructor and author on cross-examination he teaches the courtroom craft that presentencing hearings demand.
Alexandra González-Waddington, Founding Partner
Alexandra González-Waddington, founding partner of Gonzalez & Waddington, has built sentencing cases for more than 20 years in courts-martial involving sexual assault, domestic violence, murder, and white-collar offenses, as well as administrative separation boards where the same character evidence decides careers. Her defense work spans every branch and includes bilingual English-Spanish representation of accused service members and their families. She legally reviewed this guide against R.C.M. 1001–1008 and current CAAF precedent.
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.