1st Information Support Group

The 1st Information Support Group (1st ISG) is a specialized unit within the U.S. Army’s Psychological Operations community, historically tasked with conducting influence operations and information warfare. Originally constituted as the 1st Psychological Operations Group, it was activated in 1967 and has played a vital role in supporting military operations from Vietnam to the Global War on Terror. The unit’s missions have included planning and executing psychological operations to influence, inform, and persuade target audiences in support of U.S. objectives. Over the years, the 1st ISG has adapted to the rapidly evolving information environment, integrating cyber and social media capabilities to meet modern challenges.