NCIS Security Training Assistance and Assessment Team's (STAAT) supports Navy and Marine Corps component and numerical commanders by providing vulnerability assessments (VA) and on-site training and assistance to Naval activities worldwide (ashore/afloat) in various law enforcement, physical security, and AT disciplines.  In this effort, STAAT is a key element of the NCIS mission to "defeat threats from across the foreign intelligence, terrorist, and criminal spectrum by conducting operations and investigations ashore, afloat, and in cyberspace in order to protect and preserve the superiority of the Navy and Marine Corps warfighter."

STAAT's are units comprised of some 130 experienced military and civilian physical security specialists stationed around the world who provide expert competencies in physical security assessment and tactical training.

Its main Mission Function Area: Assessments-Assists, Port Assessment (PA) and Airfield Assessment s (AA), Naval Inspector General (NAVIG) Command Inspection and Area Visit, Courtroom Assessments, Force Protection Readiness Reviews (FPRRs), Hotel and Liberty Venue Assessments, Humanitarian Site Assessments, Military Sealift Command Individual Ship Assessments (MSC-ISA), Military working Dog Assessments, Pre-arrival Port Security Assist Visits, Physical Security/LE Assist Visits, and Route Surveys.

STAAT personnel also provide a range of professional law enforcement training to Navy Security Forces and subject matter information exchange with foreign law enforcement and security partners. These training courses and subject matter exchanges play a key role in promoting theater security cooperation and building common approaches to security challenges in ports and maritime environments. STAAT training is tailored to meet local requirements. Among other benefits, it can enhance the capabilities of foreign partners to provide support for U.S. Navy ship visits and other naval expeditionary activities, allowing them to operate more effectively with U.S. personnel during those engagements.