The Article 32 Preliminary Hearing: Purpose, Procedure, and Strategy
Key takeaways
- An Article 32 hearing is required only before referral to a general court-martial — not for special or summary courts-martial. Art. 32(a)(1), UCMJ; R.C.M. 405(a).
- The hearing has exactly four purposes: does each specification allege an offense, is there probable cause, does the convening authority have jurisdiction, and what disposition should be recommended. R.C.M. 405(e).
- It is not discovery — but the defense still gets the government’s hearing evidence at least five days after the hearing is directed. R.C.M. 404A.
- The hearing officer’s report (DD Form 457) is advisory; the convening authority — or the Office of Special Trial Counsel for covered offenses — makes the referral decision.
- Only the accused personally can waive the hearing, and objections to defects must be raised within five days of receiving the report or they are forfeited.
What is an Article 32 preliminary hearing?
Before the government can send a service member to a general court-martial — the military’s felony-level court — it must first hold a preliminary hearing under Article 32 of the UCMJ. The statute is direct:
“a preliminary hearing shall be held before referral of charges and specifications for trial by a general court-martial.”Art. 32(a)(1)(A), UCMJ; see R.C.M. 405(a)
Military appellate courts have called the proceeding the “military equivalent” of a civilian grand jury. United States v. Bell, 44 M.J. 403 (C.A.A.F. 1996). The comparison is useful but imperfect: unlike a grand jury, the Article 32 is normally open to the public, the accused sits in the room with counsel, and the defense may cross-examine the witnesses the government presents.
One warning about older cases and older advice: before the Military Justice Act of 2016 took effect, this proceeding was called an Article 32 “investigation,” run by an “investigating officer,” and it was far broader. Today’s hearing is narrower, faster, and governed by R.C.M. 405. If someone describes the Article 32 as a wide-ranging investigation of the whole case, they are describing a procedure that no longer exists.
When a hearing is required — and when it isn’t
The hearing is a prerequisite for one destination only: trial by general court-martial. No Article 32 hearing is required before a special or summary court-martial. Two situations remove the requirement even for a general court-martial:
- A qualifying earlier hearing. If the same subject matter already received a preliminary hearing at which the accused was present with counsel and had the rights to cross-examine and present evidence, a second hearing is not required. R.C.M. 405(b).
- Waiver by the accused. The accused may waive the hearing — sometimes as a term of a plea agreement (R.C.M. 705(c)(2)(E)) — though the convening authority can direct that the hearing go forward anyway. Art. 32(a)(1)(B); R.C.M. 405(m). The waiver is personal: in United States v. Garcia, 59 M.J. 447 (C.A.A.F. 2004), the court held that defense counsel cannot waive the hearing for the client.
Whether to waive is a genuine strategic decision, not a formality — we cover it in your rights at the Article 32.
The four purposes of the hearing
The hearing officer’s inquiry is limited by rule to four questions. R.C.M. 405(a), (e):
- Does each specification actually allege an offense under the UCMJ?
- Is there probable cause to believe the accused committed the offense charged?
- Does the convening authority have court-martial jurisdiction over the offense and the accused?
- What disposition should be made of the case?
Anything outside those four questions is out of bounds, and the rule says so bluntly:
“The preliminary hearing is not intended to perfect a case against the accused and is not intended to serve as a means of discovery or to provide a right of confrontation required at trial.”R.C.M. 405(a), Discussion
That said, testimony given at the hearing is under oath and recorded. If a witness later changes their story — or becomes unavailable — that recorded testimony can surface at trial as a prior inconsistent statement or former testimony under M.R.E. 801(d)(1) and 804(b)(1). United States v. Ureta, 44 M.J. 290 (C.A.A.F. 1996). What a witness says at the Article 32 is permanent, and both sides know it.
Before the hearing: notice and disclosures
Once a convening authority directs a preliminary hearing, deadlines start running. No later than five days after the hearing is directed, trial counsel must give the defense (R.C.M. 404A):
- the order directing the preliminary hearing;
- statements, within the control of military authorities, of the witnesses the government intends to call;
- the evidence the government intends to present at the hearing; and
- any matters the convening authority considered in deciding to direct the hearing.
This is not full trial discovery — that comes later under R.C.M. 701 — but it is the defense’s first formal look at the government’s case, and an experienced defense team mines it hard.
Who’s who at the hearing
| Role | Who fills it | What they do |
|---|---|---|
| Convening authority | Usually the special court-martial convening authority | Directs the hearing and sets deadlines; any court-martial convening authority may do so. R.C.M. 405(c) |
| Preliminary hearing officer (PHO) | An impartial judge advocate whenever practicable, equal or senior in grade to counsel | Runs the hearing, rules on evidence within the rule’s limits, writes the report; disqualified from any later role in the case. Art. 32(b); R.C.M. 405(d)(1) |
| Trial counsel | A judge advocate (never the accuser) | Presents the government’s evidence. R.C.M. 405(d)(2) |
| Defense counsel | Detailed military counsel, requested individual military counsel, and/or civilian counsel at no expense to the government | Cross-examines, objects, presents defense evidence. R.C.M. 405(d)(3) |
| Reporter | Often a unit paralegal | Records the proceeding and assists the PHO with logistics. R.C.M. 405(d)(4) |
The PHO must remain impartial and must not become an advocate for either side. R.C.M. 405(d)(1)(D). A PHO who played a prior role in building the case, who has expressed an opinion about guilt, or whose impartiality can reasonably be questioned is disqualified — and ex parte contact between trial counsel and the PHO about substantive matters is presumed prejudicial. United States v. Payne, 3 M.J. 354 (C.M.A. 1977). These impartiality rules are among the most productive sources of defense objections; we detail them in the report and defects guide.
The OSTC change. For covered offenses — including sexual assault, domestic violence, and other serious charges — the FY22 NDAA moved key Article 32 decisions to the independent Office of Special Trial Counsel. Where special trial counsel exercise authority, they approve hearing waivers, they can direct the detailing of the PHO, and the PHO’s report goes to them rather than to the convening authority.
What happens at the hearing
The sequence is set by R.C.M. 405 and, in the Army, DA Pam 27-17:
- The PHO advises the accused of their rights under R.C.M. 405(f).
- Trial counsel presents the government’s witnesses and evidence; the defense and the PHO may examine each witness.
- The defense presents its witnesses and evidence, if it chooses to present any; trial counsel and the PHO may examine them.
- The accused may make a sworn or unsworn statement — or none at all.
Witnesses may appear in person, by video, or by telephone, and all testimony is under oath except an unsworn statement by the accused. The Military Rules of Evidence mostly do not apply — the significant exceptions are the self-incrimination and rights-warning rules (M.R.E. 301–305), the rape-shield rule (M.R.E. 412, as supplemented by R.C.M. 405(i)(2)), and most privileges. R.C.M. 405(i)(1). The hearing is ordinarily open to the public, and the accused has a qualified right to keep it open. ABC, Inc. v. Powell, 47 M.J. 363 (C.A.A.F. 1997).
Which witnesses the government must actually produce — and the special rules for named victims, who cannot be forced to testify at this stage — are covered in witnesses and the alleged victim at the Article 32.
What this means if you’re facing an Article 32
The single biggest mistake we see is treating the Article 32 as a box-checking exercise. Decisions made in the days before the hearing — whether to waive, whether to cross-examine, whether to put on evidence, whether to make a statement — lock in consequences for the entire court-martial. Testimony elicited here can be used later; opportunities not taken here rarely come back. Get experienced defense counsel involved before the hearing is scheduled, not after.
After the hearing: the report and the referral decision
The record does not close when the hearing ends. Within 24 hours of closure, either party — or a named victim — may submit supplementary matters for the PHO to analyze, and the defense has five days to rebut anything the government or a victim submits. R.C.M. 405(k).
The PHO then submits a written report — DD Form 457 plus the PHO’s analysis and the audio recording of the hearing — stating conclusions on each of the four questions and recommending a disposition. R.C.M. 405(l). The report is advisory: it binds neither the staff judge advocate nor the convening authority. But in practice a report finding no probable cause, or recommending disposition short of a general court-martial, gives the defense powerful leverage in negotiations and in the Article 34 advice process that follows.
The convening authority must give the accused a copy of the report, and the defense has five days to submit objections through the PHO. Miss that window and the objection is forfeited. R.C.M. 405(l)(5), 405(m). The full anatomy of the report — and how to attack a defective hearing — is in the Article 32 report, objections, and defects.
Defense strategy at the Article 32
Because the hearing is not discovery and rarely stops a determined prosecution, some defense lawyers write it off. In our experience that is a mistake. The Article 32 is where the defense can:
- Lock in testimony. A government witness who testifies under oath at the hearing is committed to that version of events. Inconsistencies at trial become impeachment.
- Test the government’s theory. Watching how trial counsel presents the case — and what they leave out — reveals the prosecution’s roadmap months before trial.
- Build the record for motions. Jurisdictional defects, defective specifications, and unlawful command influence often show themselves first at the Article 32.
- Influence disposition. A well-aimed defense presentation can produce a PHO recommendation for dismissal, reduced charges, or resolution at a lower forum — and that recommendation follows the case file to everyone who touches the referral decision.
There are also times when strategic restraint — or a negotiated waiver — serves the client better. That judgment call depends on the evidence, the command climate, and what the defense stands to gain or reveal.
Practitioner’s note
In our Article 32 practice, the highest-value work happens before anyone enters the hearing room: scrutinizing the R.C.M. 404A disclosures, demanding production of witnesses and evidence in writing, and forcing the government to state its objections on the record so the PHO must rule. When trial counsel refuses to seek a subpoena the PHO has found warranted, the rule requires the refusal — and the reasons — to go into the report the referral authority reads. R.C.M. 405(h)(3)(B). Building that paper trail is quiet, unglamorous work, and it wins motions later.
Frequently asked questions
Is an Article 32 hearing required for every court-martial?
No. An Article 32 preliminary hearing is required only before charges are referred to a general court-martial. Special courts-martial and summary courts-martial do not require one. Art. 32(a)(1), UCMJ; R.C.M. 405(a).
Can the Article 32 hearing officer dismiss my charges?
No. The preliminary hearing officer only makes findings and recommendations, including whether probable cause exists and how the case should be resolved. The report is advisory. The referral decision belongs to the convening authority or, for covered offenses, the Office of Special Trial Counsel.
Should I waive my Article 32 hearing?
Sometimes waiver makes strategic sense — often as part of plea negotiations — but it surrenders your only pre-referral chance to cross-examine government witnesses under oath and to shape the disposition recommendation. The waiver must be made by you personally, and it should never be made without advice from experienced defense counsel.
Do I have to testify at my Article 32 hearing?
No. You have the right to remain silent, and you may instead make a sworn or unsworn statement — or none at all. Anything said under oath at the hearing is recorded and can be used later, so this decision should be made with counsel.
How long after an Article 32 hearing will charges be referred?
No fixed rule sets the interval. After the hearing, the PHO submits a report, the defense has five days to object, and the staff judge advocate must provide Article 34 advice before a general court-martial referral. The overall pace is bounded by the speedy-trial rules, including the 120-day rule of R.C.M. 707.
Is an Article 32 hearing open to the public?
Ordinarily yes. The accused has a qualified right to an open hearing, and closure requires case-by-case findings that an overriding interest justifies a narrowly tailored closure. ABC, Inc. v. Powell, 47 M.J. 363 (C.A.A.F. 1997).
About the attorneys behind this guide
Michael Waddington, Civilian Military Defense Lawyer
Michael Waddington has defended service members at Article 32 hearings and general courts-martial around the world for more than 25 years — as a former Army prosecutor, former Army defense counsel, and now one of the most recognized civilian court-martial lawyers in the country. A published author on cross-examination and a trial advocacy instructor, he has used the Article 32 stage to lock in testimony, expose weak cases before referral, and win dismissals and reductions in cases ranging from Article 120 sexual assault to war crimes.
Alexandra González-Waddington, Founding Partner
Alexandra González-Waddington, founding partner of Gonzalez & Waddington, brings more than 20 years of criminal and military defense experience to the pretrial stage, where the most consequential decisions in a UCMJ case are often made. She has represented accused service members at preliminary hearings and courts-martial involving sexual offenses, violent crimes, and complex digital evidence, and she legally reviewed this guide for accuracy against the current Rules 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.