Chapter  1—INTRODUCTION duties will depend on the type and size of ship or station to which you will be assigned. Aboard an aircraft carrier or a cruiser, you may  be  assigned  to  the  “A”  division.  As  a member of the “A” gang, you will be responsi- ble  for  a  wide  variety  of  tasks  including  the operation,  maintenance  and  repair  of  internal combustion   engines,   and   the   operation   and maintenance of auxiliary, refrigeration, and air conditioning    equipment. On  diesel-driven  ships,  you  may  be  assigned to the “M” division or the “A” division. Your responsibility  will  vary  depending  on  the  size  of the  ship.  You  may  have  charge  of  one  of  the engineering spaces or the “A” gang and, on some small  ships,  you  may  act  as  the  “M”  division officer. On a repair ship or tender, you may be as- signed to the repair department. As an EN1 or ENC, you may be in charge of one of the repair shops such as the engine overhaul shop or the governor and fuel injector shop, or you may be in charge of one of the repair gangs. You may also be selected to attend Diesel Inspector’s school and become a Navy diesel engine inspector. Duty at most shore stations will depend on your training and your field of specialization. You may also be assigned as an instructor either at one of the Engineman schools or at a recruit training station, or a canvasser recruiter. To qualify for instructor  duty,  you  must  successfully  complete a course in instructor training. As an Engineman, you may perform duty at the Naval Education and Training Program and Development Center, Pensacola, FL. Personnel assigned to this activity are involved in either the preparation  of  service-wide  examinations  for advancement or the preparation and revision of rate training manuals and other training materials. SCOPE OF THIS TRAINING  MANUAL Before studying any book, it is a good idea to know the purpose and the scope of that book. Here are some things you should know about this training manual: It is designed to give you information on the  occupational  qualifications  for  advancement to EN1 and ENC. It  must  be  satisfactorily  completed  before you can advance to EN1 or ENC, whether you are in the Regular Navy or in the Naval Reserve. It is NOT designed to give you informa- tion on the military requirements for advancement to PO1 or CPO. Rate training manuals that are specially  prepared  to  give  information  on  the military requirements are discussed in the section of  this  chapter  that  deals  with  sources  of information. It is NOT designed to give you informa- tion that is related primarily to the qualifications for advancement to EN3 and EN2. Such infor- mation is given in Engineman 3 & 2, NAVED- TRA 10541 (current edition). The occupational qualifications that were used as a guide in the preparation of this train- ing  manual  were  those  promulgated  in  the  Navy Enlisted  Manpower  and  Personnel  Classifications and Occupational Standards, NAVPERS 18068-D (1981).  Therefore,  changes  in  the  Engineman qualifications that may have occurred after the D edition became effective may not be reflected in  the  information  given  in  this  training  manual. This  training  manual  includes  information that is related to both the knowledge and the Oc- cupational Standards for advancement to EN1 and ENC. However, no training manual can take the  place  of  actual  on-the-job  experience  for developing skill in the practical factors. This train- ing manual can help you understand some of the whys  and  wherefores,  but  you  must  combine knowledge  with  practical  experience  before  you can develop the required skills. The Personnel Ad- vancement   Requirement,   NAVPERS   1414/4, should be utilized in conjunction with this training manual  whenever  possible. Subsequent  chapters  in  this  training manual  deal  with  the  technical  subject  matter  of the  Engineman  rating.  Before  studying  these chapters, study  the  table  of  contents  and note the arrangement of information. You will find  it  helpful  to  get  an  overall  view  of  the organization of this training manual before you start to study it. 1-7