LESSON EXERCISES
In each of the following exercises, select the ONE answer that BEST completes the statement or answers the
question. Indicate your solution by circling the letter opposite the correct answer in the subcourse booklet.
1. In tactical operations, no single means is best for communicating under all conditions in all situations.
Whatever means is chosen, the foremost requirement is that it be
a. secure and reliable.
c. rapid and economical.
b. reliable and rapid.
d. economical and secure.
2. Tactical units may at times employ all forms of communication, including sound and visual. One
characteristic common to both sound and visual communication is that they are
a. secure from enemy interception.
b. easily understood with little chance for error.
c. always effective under all battlefield conditions.
d. useful for transmission of prearranged short messages.
3. Panels are long strips of brightly colored or black-and-white material displayed by troops in the field for
observation by aircraft. Panels are used to
a. mark positions, identify friendly units, and send brief messages.
b. identify friendly units, send brief messages, and marking targets;
c. send brief messages, identify enemy units, and mark positions.
d. identify enemy units, mark positions, and send brief messages.
4. Assume that a tactical radio operator has to transmit an important message a long distance through strong
interference. Since slow speed is essential in such case, the recommended method for transmission of the
message is
a. AM.
c. CW.
b. FM.
d. PM.
5. The electrical/electronic communication methods include
a. visual, voice, television, and data.
b. sound, telegraph, facsimile, and visual.
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