Yes, evidence can be excluded later, but it is important to understand exactly how that works, because the Article 32 hearing does not itself exclude evidence from trial. An objection made during the preliminary hearing does not produce a ruling that keeps the evidence out of the court-martial. Exclusion is decided later, by the military judge, on a proper motion. What the Article 32 objection does is help build and preserve the record that supports that later motion. This article untangles the relationship between objecting at the preliminary hearing and getting evidence excluded at trial.
The preliminary hearing officer does not rule the way a trial judge does
The Article 32 preliminary hearing, governed by Article 32 of the Uniform Code of Military Justice and Rule for Courts-Martial 405, has a narrow job: to assess probable cause, confirm that the specifications state offenses, confirm jurisdiction, and make a disposition recommendation. It is not a forum for deciding the admissibility of evidence at trial.
Only a limited set of the Military Rules of Evidence applies at the preliminary hearing, principally privileges, the rape-shield rule, and the privilege against self-incrimination. For everything else, the broad admissibility rules are not fully in play. Just as significant, the preliminary hearing officer is not required to rule on objections. When a party objects, the officer can simply note the objection on the record and move on, considering the evidence anyway for purposes of the probable-cause determination. So an objection at the Article 32 hearing does not, and is not meant to, exclude the evidence even from the hearing itself, let alone from trial.
Exclusion happens at trial before the military judge
The place where evidence is actually excluded is the court-martial, through a motion to the military judge. Whether the issue is an unlawful search, an involuntary statement, an authentication problem, or a rule-based objection such as hearsay or relevance, the defense raises it as a pretrial motion or motion in limine, the full Military Rules of Evidence apply, and the judge issues a binding ruling. These motions are ordinarily made before pleas are entered, and a known issue that is not raised at the proper time can be forfeited.
This is why the answer is yes, evidence can be excluded later: the trial judge has the authority the preliminary hearing officer lacks. The objection at the Article 32 hearing is a step along the way, not the decision point.
How the Article 32 objection helps a later exclusion motion
If the preliminary hearing officer does not rule, why object at all? Because the objection and the surrounding record do real work for the eventual motion before the military judge.
It preserves the issue and frames it early. Noting the objection on the record signals the ground of challenge and prevents an argument later that the defense slept on the issue. It also forces the relevant facts onto the record while witnesses are present and memories are fresh.
It develops the factual foundation. By objecting and then questioning witnesses about the circumstances, the defense can pin down how evidence was gathered, who obtained it, and whether proper procedures were followed. That testimony becomes part of the record and can be used at trial, including to impeach a witness who later tells a different story.
It documents the officer’s handling. Where the officer declines to rule or relies on contested evidence, the record reflects that, which can support a motion to the military judge and, in some cases, a request to reopen the preliminary hearing.
A caution about how exclusion is preserved at trial
It is also worth knowing how exclusion, once won, is kept. When the military judge makes a definite, unfavorable ruling on a motion in limine, counsel ordinarily does not have to renew the objection every time the evidence comes up during trial in order to preserve the issue for appeal. But if the judge’s ruling is only tentative or preliminary, a later objection at the time the evidence is offered may still be required. This matters because the goal is not just to exclude evidence at trial but to keep the issue alive on appeal if the ruling goes the wrong way.
Practical guidance
Treat the Article 32 hearing as the place to lay groundwork, not to win exclusion. Object on the record to questionable evidence, then use the hearing to develop the facts that will support a motion to suppress or a motion in limine before the military judge. Ask the officer to state the basis for any contested decision so the record is clear. Then file the actual exclusion motion at the proper pretrial stage, where the full rules apply and the ruling is binding. Finally, track whether the judge’s ruling is definite or tentative, and renew objections at trial if preservation requires it.
Bottom line
Evidence objected to during an Article 32 hearing can be excluded later, but not by the preliminary hearing officer, who is not required to rule and applies only a limited set of evidentiary rules. Exclusion is decided by the military judge at trial on a proper motion governed by the full Military Rules of Evidence. The Article 32 objection matters because it preserves the issue and builds the factual record that the later exclusion motion depends on. The hearing is where you prepare to win exclusion; the trial is where you actually win it.
Disclaimer
This article is provided strictly for general educational and informational purposes. It is intended to explain how the Uniform Code of Military Justice (UCMJ), the Rules for Courts-Martial, the Military Rules of Evidence, and related military administrative processes work as a matter of public legal education. It does not constitute legal advice, a legal opinion, or a recommendation about any particular case, and it is not a substitute for advice from a qualified military defense attorney who can evaluate the specific facts and command, service, and jurisdictional circumstances involved.
Reading this article, or contacting any website on which it appears, does not create an attorney-client relationship between the reader and any law firm, attorney, or author. Every court-martial, nonjudicial punishment action, administrative separation, and security-clearance matter turns on its own facts, the charged articles, the convening authority, the service branch, and the evidence, and outcomes vary widely from one case to another.
Military law also changes over time. The Military Justice Act of 2016 (effective January 1, 2019) and subsequent National Defense Authorization Acts renumbered and rewrote many punitive articles, revised the Article 32 preliminary hearing, and altered sentencing, clemency, and appellate procedures. Statutes, regulations, executive orders, the Manual for Courts-Martial, and decisions of the service Courts of Criminal Appeals and the Court of Appeals for the Armed Forces may have been amended, superseded, or reinterpreted after this article was written, and article numbers or procedures cited here may have changed.
For these reasons, no reader should act or decline to act based on this content without first consulting a licensed attorney experienced in military justice about their own situation. The author and publisher make no warranty, express or implied, as to the accuracy, completeness, timeliness, or current applicability of the information provided, and disclaim any liability for any action taken or not taken in reliance on it. If you are facing investigation, charges, or an adverse administrative action, time limits may apply, and you should seek qualified counsel promptly.