ATP 3-39.30 — Security And Mobility Support
ATP 3-39.30 governs military police security and mobility support to protect forces and noncombatants during Army operations.
- Publication number: ATP 3-39.30
- Title: SECURITY AND MOBILITY SUPPORT
- Date: 03/25/2026
- Proponent: T2COM
- Status: ACTIVE
View ATP 3-39.30 on armypubs.army.mil
ATP 3-39.30 covers reconnaissance and surveillance, mobility operations, security operations, and populace and resources control. It also addresses dislocated civilian operations, battlefield confinement, route classification, and security and mobility support appendices.
Applies to: The primary audience for ATP 3-39.30 is military police commanders and staffs; however, all members of the military may use this manual to understand the capabilities and tasks of military police.
Topics covered
- Police intelligence operations
- Reconnaissance and surveillance
- Mobility operations
- Area and local security
- Dislocated civilian operations
- Populace and resources control
- Battlefield confinement
- Route classification and signing systems
Questions and answers
What does military police reconnaissance collect?
Reconnaissance involves actively collecting information, while surveillance refers to the systematic gathering of information, which should be continuous and include both active and passive methods. (paragraph 1-6)
What information do military police collect during operations?
Police information is information collected during military police operations concerning crime, disorder, criminal activity, and criminal threats (FM 3-39). (paragraph 2-3)
What determines the size and composition of military police needed for security and mobility support?
The size and composition of military police needed to carry out security and mobility support tasks depend on the tactical situation (mission, enemy, terrain and weather, troops and support available, time available, civil considerations, and information considerations [METT-TC(I)], also known as mission variables. (paragraph 1-85)
What must military police report about stragglers?
Military police units are responsible for reporting information about stragglers they encounter. (paragraph 3-60)
What force may guards use against prisoners?
Under all circumstances, only the minimum necessary force should be used. (paragraph 5-4)