A service member who fails to deploy with a ship, aircraft, or unit may be charged under Article 87 of the Uniform Code of Military Justice (UCMJ). One of the most common defense questions in these cases is whether a genuine misunderstanding about the travel orders can defeat the charge. The honest answer is that it depends on what the misunderstanding was about. Article 87 does not require an intent to commit a crime in the way that word is often understood. It requires either design or neglect. So a mistaken belief about the orders can sometimes negate the required mental state, but only when the mistake goes to the right element.
What the government must prove under Article 87
Missing movement has four elements. The government must show that the accused was required in the course of duty to move with a ship, aircraft, or unit; that the accused knew of the prospective movement; that the accused in fact missed the movement; and that the accused missed it through design or neglect. The phrase “design or neglect” is the heart of the case. Design means a specific purpose to miss the movement. Neglect means a culpable failure to take the measures a reasonable person would take to be present, even without any intent to be absent.
Because the offense can be committed by neglect, it is not a pure specific intent crime. A member who simply did not pay attention, who failed to confirm a report time, or who let a foreseeable problem cause the absence can be convicted even though that member never wanted to miss the movement. That distinction is decisive when evaluating a miscommunication defense.
Where a misunderstanding can actually help
The element most vulnerable to a communication problem is knowledge of the prospective movement. The government must prove the accused knew the movement was going to happen. Knowledge can be actual or, in some cases, inferred from the circumstances, but it must exist. If orders were never delivered, were sent to the wrong contact, or described a different date or location, a member may have lacked the required knowledge of the actual movement. A documented failure in the order-issuing process therefore attacks an element the prosecution must independently establish.
A mistake can also undercut the design theory. If the prosecution alleges the member deliberately skipped the movement, evidence that the member honestly believed the departure was scheduled for a later time, or believed leave had been approved through that date, tends to disprove a specific purpose to miss it. Under military practice, an honest mistake of fact can negate a specific intent element even if the mistake was not entirely reasonable, because the question is the accused’s actual state of mind.
Where a misunderstanding usually fails
The harder problem is neglect. Even when a member did not intend to miss the movement, the prosecution can argue the absence resulted from a culpable failure to confirm or clarify the orders. For a mistake of fact to excuse a neglect theory, the mistake generally must be both honest and reasonable. A member who received ambiguous instructions and then did nothing to verify the report time may still be convicted, because the law expected reasonable diligence. In that situation the miscommunication does not erase fault. It simply shifts the question to whether the member acted reasonably in the face of uncertainty.
This is why the source of the confusion matters so much. A breakdown caused entirely by the command, with no reasonable way for the member to learn the truth, is very different from a vague rumor the member chose not to run down. The first can defeat both knowledge and design and may rebut neglect. The second often leaves the neglect theory intact.
Building the defense around the records
Because Article 87 cases turn on knowledge and diligence, contemporaneous documentation is the strongest evidence. Counsel will look for the actual orders and any amendments, the method and timing of delivery, email or message logs, leave requests and approvals, and statements from the personnel responsible for notifying the member. Witnesses who can describe what the member was told, and when, help establish what the member actually knew. If the member took steps to confirm the schedule and was given wrong information, those steps support a reasonable mistake.
It also helps to separate the two theories early. If the government cannot prove a deliberate purpose, the case rests on neglect, and the defense can focus on showing the member behaved reasonably given the information available. If the government pushes a design theory, evidence of honest confusion directly contradicts the claimed purpose.
Related but distinct issues
A miscommunication defense should not be confused with a claim that the movement itself was not a qualifying movement, or that the member was never actually required to make it. Those are separate challenges to the first element. Likewise, missing movement is distinct from unauthorized absence under Article 86 and from desertion under Article 85, which carry different mental states. Framing the issue correctly ensures the misunderstanding is argued against the element it actually affects.
Conclusion
Miscommunication about travel orders can negate criminal intent in a missing movement case, but not automatically. It is most effective against the knowledge element and against a design theory, because both depend on the member’s actual awareness and purpose. It is far weaker against a neglect theory, where the law asks whether the member acted reasonably despite the confusion. A member facing an Article 87 charge should preserve every record of the orders and their delivery and consult qualified military defense counsel promptly, so the defense can be aimed at the precise element the misunderstanding undermines.
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.
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