We are pleased to welcome you to 1st Information Operations Command, located in Ft. Belvoir, VA. We are proud of our legacy of relevant information support serving the U.S. Army and all Military Forces around the world. More...
  • Info Environment Analysis
  • Social Media Overwatch
  • Open Source Intelligence
  • Planning & Targeting Support
  • Vulnerability Assessment
  • Specialized IO Training
  • IO Culminating Training Event
  • OPSEC Assessments
  • Expeditionary Teams
1st IO provides forces to
synchronize information
capabilities and prepare forces to resist
adversary information warfare while providing
specialized IO training
to enable Army and Joint forces
to achieve information advantage.
(approved 17 May 23)

1st IO Command (Land) is the Army's only active duty IO unit. It is a multi-component unit with an integrated U.S. Army Reserve Element. The command consists of a Brigade Headquarters and two subordinate IO battalions, each with both active duty and Army Reserve detachments.

Stationed at Ft. Belvoir, Virginia, 1st IO Command is assigned to U.S. Army Cyber. The Command's Army Reserve Element falls under the administrative control of the 335th Signal Command.