In today’s complex military landscape, Psychological Operations (PSYOP) have emerged as essential tools for influencing behaviors and perceptions without resorting to direct confrontation. Non-chemical methods, in particular, offer intriguing strategies that harness psychological principles to achieve military objectives. This article explores various non-chemical tactics employed in PSYOP, the use of chemical agents, and the potential of legal methods to induce altered states of consciousness, as well as their ethical implications and scientific foundations.