Communications Security Material Issuing Office (CMIO)


The Communications Security Material Issuing Office (CMIO) supports maritime operations through the distribution of COMSEC equipment and related COMSEC material and performs the following functions:

  • Stores obsolete equipment until proper disposition had been developed

  • ​Demilitarizes and destroys obsolete COMSEC equipment

  • Performs the daily review of distribution orders from NCMS, unclassified messages, and emails to comply COMSEC equipment receipt and issuance as directed

  • Receives and maintains the complete allowance of COMSEC equipment authorized for storage and distribution

  • Receives, verifies, stores, ships, and disposes of COMSEC equipment

  • Serves as the designated PKI long term archival facility for class III and IV certificates and the issuing officer/CMS custodian for all CMS accounts charged to the detachment

  • Responsible for supervising the shipping, receiving, inventory, and destruction of COMSEC equipment

  • Ensures the accuracy of the Common Tier-1 (CT1) system on the Physical Handling Material System (PHMS) account, seven Vault Distribution Logistic System accounts, and the Commercial Asset Visibility (CAV) database; these systems contain the listing of over 50,000 equipment items, enabling responsible personnel to quickly determine the location, status, and shipping instructions

Command Information

OIC: LCDR James T. Herzog 
Deputy AOIC: Mr. Tony Drago  
8876 Second Street
Norfolk VA, 23511-3797
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