any given situation should he whatever gives the maximum reliability, security,
and speed with a minimum of effort and materiel. Effective communications
should be rapid, but the first and foremost requirement is that they be
r _____________ and s _____________ .
(8. Answer: reliable, secure)
9. Messenger communication is one of the primary means of communication
used in tactical operations. Messenger continues to be the most secure means
available to all units. It is the most effective method for transmission and
delivery of lengthy messages and bulky items. The efficiency of messenger
communications depends on the selection and training of the messengers. This
means is flexible and reliable. Its speed depends on the mode of travel, the
tactical situation, the terrain, and the trafficability of routes. Limita-
tions include vulnerability to enemy action in forward areas and the lack of
person-to-person conversation.
Messenger is a _______________ , _______________ ,and __________________ means of
communication.
(9. Answer: secure, flexible, reliable)
10. Messenger service may be scheduled with messengers making periodic runs
over a given route along which are regularly scheduled stops at certain
headquarters. Nonscheduled messenger service on an as-needed basis employs
messengers referred to as special messengers. A messenger who follows a
schedule and uses a motor vehicle in inking deliveries and pickups is a
___________________ ___________________messenger. If he is called upon
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