2-9. It is the duty of the operator to ensure that no transmission, action, or omission on his part
can directly or indirectly provide the enemy with useful information. One way the operator
fulfills this responsibility is by meeting the requirements of physical security. Radio operators
must ensure the ____________________ security of all material under their control.
(2-9. Answer: physical)
2-10. Unauthorized persons must not be permitted to handle, inspect, or photograph classified
equipment, documents, or messages. Every individual is responsible for the physical security of
____________________ material, regardless of his security clearance.
(2-10. Answer: classified)
2-11. Physical security depends on several safeguarding procedures. It is important that
unauthorized persons not be permitted to handle, ____________________, or
____________________ equipment, documents, or messages.
(2-11. Answer: inspect, photograph)
FRAME 4
PART D - TRANSMISSION SECURITY
Transmission security results from all measures designed to protect transmissions from
unauthorized interception, traffic analysis, imitative deception, and direction finding.
2-5
SS0652
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