In Tunisia, the FAT is responsible for territorial defense and internal security; its operational areas of focus are countering Islamist terrorist groups and assisting with securing the border; areas of focus include security operations in the mountainous regions along the Algerian border where smuggling and criminal activity has occurred and militants linked to the al-Qa'ida and Islamic State of Iraq and ash-Sham terrorist groups have been active; the military has the lead for security operations in the area and has conducted joint operations with Algerian security forces; the FAT in recent years also has increased its role in securing the southern border with Libya against terrorist activity and infiltrators, criminal gangs, smuggling, and trafficking; in the remote areas of the border with Libya, buffer/exclusion zones have also been established where the military has the lead for security and counter-terrorism operations; outside of these border areas, the Ministry of Interior has responsibility
 
the FAT conducts bilateral and multinational training exercises with a variety of countries, including Algeria and other North African and Middle Eastern countries, France, and the US, as well as NATO; it also participates in UN peacekeeping operations; Tunisia has Major Non-NATO Ally (MNNA) status with the US, a designation under US law that provides foreign partners with certain benefits in the areas of defense trade and security cooperation (2024)