What must a user of a Cryptographic Controlled Item (CCI) acknowledge?

A user of a Cryptographic Controlled Item (CCI) must acknowledge a full understanding of CMS-1A and accountability because it is essential for the proper handling and operation of cryptographic equipment. CMS-1A refers to the specific guidelines that govern the use, management, and accountability of cryptographic materials and controlled items. By acknowledging this understanding, the user confirms that they are familiar with the necessary procedures for safeguarding classified information, managing access to cryptographic devices, and ensuring these items are used in accordance with established protocols. This acknowledgment is crucial because it directly supports the integrity and security of communications necessary for operational effectiveness in military and intelligence contexts. Therefore, a comprehensive understanding of accountability ensures that users know their responsibilities in protecting cryptographic items from unauthorized access or misuse.