Which publication outlines procedures for the physical transmission of NATO information within the U.S.?

The publication that outlines procedures for the physical transmission of NATO information within the U.S. is indeed USSAN Instruction 1-69. This instruction specifically addresses the protocols and standards necessary for handling NATO classified information, ensuring compliance with international agreements and safeguarding sensitive data shared between NATO member nations.

USSAN Instruction 1-69 is essential for maintaining the security and integrity of NATO communications within the United States, detailing the measures that must be followed when transmitting NATO information. This is critical for collaboration and operational effectiveness among NATO allies.

The other publications mentioned, while they serve important roles within the Department of Defense, do not specifically focus on the physical transmission of NATO information as outlined by USSAN Instruction 1-69. Each of those publications addresses different aspects of military and defense operations, but they do not directly cover the transmission protocols for NATO information, which is a key requirement for secure and effective international military communication.