3-70. Why was the Navy Mailed Message Program  (NAVGRAM)  established? 1. To reduce the workload on radiomen 2. To  prevent  unauthorized personnel  from  reading  certain messages 3.  To  reduce  the  number  of electronically  transmitted messages 4.  To  provide  an  alternate  method of sending messages when communications equipment malfunctions 3-71. What  are  the  two  basic  types  of directives  used  in  the  navy? 1. Letter-type  and  message-type 2. Special-type  and  message  type 3. Joint  services-type  and  Navy- type 4. Letter-type  and  special-type 3-72. Which  of  the  following  types  of communications  contain  information having  continuing  reference  value or  requiring  continuing  action? 1. Instructions 2. Notices 3. Reports 4. Letters 3-73. 3-74. 3-75. Which  of  the  following  is  a  formal report  that  presents  a  precise  but brief  description  of  a  problem  and a recommended solution? 1. A  staff  study 2. A  point  paper 3. A talking paper 4. A memorandum Detailed  information  on  the  form and content of a staff study can be found  in  which  of  the  following publications? 1. Department  of  Defense  Writing Guide 2. Naval  Operational  Planning 3.  U.S.  Government  Writing  Manual 4. Better  Naval  Writing Which  of  the  following  aids  should be  used  as  a  memory  tickler  when speaking publicly? 1. A  point  paper 2. A  staff  study 3. A talking paper 4. A  tape  recorder 23