One of the most persistent security threats the United States (U.S.) faces today is a range of hostile activities short of open armed conflict. These activities occur in what is often called the “grey zone,” which blurs the distinction between traditional war and peace and includes actions such as manipulating information, deploying hostile cyber activities, and working through proxy forces...

This report arises from a shared belief that irregular warfare (IW) in the United States Southern Command (USSOUTHCOM) Area of Responsibility (AOR) cannot be fully understood through institutional doctrine alone. For decades, countries in South and Central America have served as strategic partners to the United States. While U.S. doctrine remains the most visible reference point, regional actors have developed...

This report examines the People’s Republic of China’s (PRC) enduring habits and approaches to occupation to develop a PRC “way of occupation” and considers how the PRC might occupy, pacify, and integrate Taiwan after seizing the island—an area largely neglected in wargames and policy analyses that end with invasion.

This subject bibliography is a selection of top resources on Lebanese Hezbollah in Latin America and includes journal articles, reports, books, sections of websites, and videotaped talks. The dates of the material range from 2010 to 2025, encompassing various aspects of the terrorist organization and its criminal activities which include narcotics trafficking and money laundering. The purpose is to provide...

This subject bibliography is a selection of top resources on Wagner Group, and includes journal articles, books, and online discussion groups. The dates of the material range from 2019 to 2025, encompassing Wagner’s origins to its breakup and Russian state replacement strategies. The purpose is to provide ready-access resources for the study of Wagner Group and its successor organization Africa...