OBJECTIVES
This text is for teaching yourself the various means of communication the Army uses for purposes of
command and control. After reading this text, you should:
a. Know the meaning of communications.
b. Be able to identify the several means of communication.
c. Know the advantages and disadvantages inherent in each means of communication.
INTRODUCTION
This text is presented in frames. Each frame is a small bit of instruction. The frames in their sequence as
numbered form a program for attaining the objectives of this text.
a. Read and Respond. As a rule, each frame requires some kind of response from you; for example, filling a
blank space with the correct word or words, or selecting the correct completion response from two or more
choices appearing in parentheses. A few frames require no response, but contain information you must read.
Such an information frame relates to subsequent frames that do require responses; so read each information frame.
As you read, we recommend that you place a sheet of paper or a piece of cardboard over the next frame below the
one you are reading to cover the frame answers.
b. Check Each Response. After you complete a frame, advance to the next frame and check your response
against the desired response (the correct solution); they should be the same or very nearly so. Then go on to the
next frame.
c. Read Summary and Complete the Self-Test. After you finish all the frames, read the summary. Next,
take the self-test. Finally, check your answers to the self-test against the solutions.
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