Reliability, security, and speed are the fundamental requirements of military
communications. When you transmit a message from station A to station B, _______________
is always of paramount importance.
(2-5. Answer: reliability)
2-6. There is always a shifting relationship between security and speed. Security is far more
important than speed in the _______________ stages of an operation.
(2-6. Answer: planning)
2-7. As the time for execution of an operation approaches, many persons must know the plan.
Then, _______________ becomes increasingly important.
(2-7. Answer: speed)
2-8. The three basic requirements of military communications are _______________,
_______________, and _______________.
PART C - PHYSICAL SECURITY
The backbone of any command and control structure is reliable communications because
of its influence of the course of battle. Two important components of COMSEC are physical
security and transmission security.
Physical security results from all physical measures necessary to safeguard classified equipment,
material, and documents from access to or observation by unauthorized persons.