text: Chapter 6
  Header Information
  6-46. Messages are numbered in sequence of transmission, the first number being the team number. If
  messages include pictures, they are named using the message number along with an alphabetical
  designation to match the picture with the corresponding message, for example, 101A, 101B (Figure 6-5).
  Address--10 DE 11
  10= Receiving address
  DE= this is
  11= Sending address
  Message #--MSG 101
  Type of report BORIS This indicates the type of report that follows.
  Duress codeword SOUPY This is a 5 letter codeword used to inform the
  receiving station that the sending station is not in
  duress or being forced to send the message.
  Figure 6-5. Example message header.
  Message Body
  6-47. The message body varies depending on the report format. Recipients must be able to recognize,
  understand, and react quickly to the information contained in the message. This means the unit SOP must
  provide for short, standard message language. This serves three purposes: observer guidance, speed and
  communications security. The format gives the observer a tool to report specific information. Knowing the
  format speeds the writing and reading of the message. Keeping messages short decreases transmission time
  and helps avoid enemy radio direction finding (RDF) units.
  Footer Information
  6-48. Particular information goes into a report footer:
  End of message EOM This tells the receiving station that the message is
  complete.
  Acknowledgement ACK This requests that the receiving station acknowledge
  Requested receiving the message.
  Signature CMP Initials of the RTO responsible for transmitting the
  message.
  REPORT FORMAT TYPES
  6-49. LRSU use five basic report formats (Table 6-4):