ATP 3-28.1 governs tactics, techniques, and procedures for Defense Support of Civil Authorities during domestic emergencies.
View ATP 3-28.1 on armypubs.army.mil
It serves as a single-source reference guide for tactical-level units, military planners, commanders, and Department of Defense components. It includes airfield and seaport planning information, including facilities, access, obstacles, navigation, security, and support capabilities.
Applies to: This publication establishes MTTP applicable to DOD components tasked with supporting domestic incident responses.
Support can be: expertise, equipment, personnel, plans, organizations, communication, training, or other resources. (paragraph 2)
When planning for seaport use, information is needed to determine seaport suitability. (paragraph 7)
The below list includes minimal information requirements needed in planning and assessing seaport suitability before and during execution of operations. (paragraph 7)