This United States Army Manual, Training Circular TC 53-03.1 Tactical Psychological Operations Detachments and Teams Guide February 2024, is a new, complementary publication for understanding the capabilities, organization, and employment of Psychological Operations forces conducting tactical operations across a range of military operations within hostile, denied, and politically sensitive environments. TC 53-03.1 provides considerations for employment of influence capabilities during elements of conventional and irregular warfare (and stability operations) to support the application of the instruments of national power. The principal audiences for TC 53-03.1 are Psychological Operations (PO) Soldiers serving on tactical teams and detachments, commanders, staffs, and company operations centers. This TC, in combination with Army tactics and techniques and Combined Arms Training Strategies, provides teams with practical references necessary to conduct training for tactical-level influence and security cooperation activities, and for the Psychological Operations companies to develop training opportunities and execute critical tasks to standard. This publication details how Psychological Operations forces plan, prepare, and deploy on a regionally or globally aligned mission in support of civil authority information, defense support for civil authorities, security cooperation, security assistance, and security force assistance. In addition, it provides guidance to enhance the training activities of detachment and team functions and to improve planning and coordination for deployments. TC 53-03.1 also addresses mission execution as part of tactical-level operations in support of or supported by the core activities of the conventional and special operations forces of the other Services.