Manual (FM) 33-1 is the US Army psychological operations (PSYOP)
doctrinal manual. It describes PSYOP roles, missions, capabilities,
and organization. It also describes PSYOP employment , command
and control, and support across the operational continuum.
The manual is the basis for PSYOP force design and materiel
acquisition. It is also a guide for those who must consider
the psychological effect of military operations on a target