family  members,  and  other  members  of  the Armed  Forces  and  civilians  serving  with  or attached   to   Navy   commands   who   become casualties. PERSONNELMAN– The Navy Personnelman (PN), as the name implies, is someone who works in a personnel-related field and is normally assigned to  a  personnel  office. PERSONNEL  OFFICE–  The personnel office is an administrative control center within   a command. PERSUPPDETS–  Personnel  Support  Detachments (Also  referred  to  as  PSDs).  PERSUPPDETS are the “one-stop service centers” that retain and maintain  the  pay  accounts  and  service  records for  all  shore  commands  and  activities  within  a specific  geographical  area. PFR– Personal  financial  record. PIM–  As  used  in  the  Enlisted  Performance Evaluation   System,   this   acronym   means performance   information   memorandum. PLA– Plain language address. PLA, also called the message address, is the address component used to denote the correct spelling of command short titles   and   geographical   locations   in   message addressing. PMA–  Performance  mark  average.  A  PMA  is required for each advancement candidate except for  PEP,  CAP,  and  E-8/9  candidates.  The  PMA is  computed  using  the  trait  marks  assigned  on performance   evaluations   in   present   paygrade (including   those   prepared   while   sewing   in   a frocked  status)  received  during  the  minimum time in rate   period   specified   in   the NAVADMIN message issued for that particular advancement  cycle. PNEC– Primary Navy Enlisted Classification Code. PO– Petty officer. POB–  Projected  on  board. POC– Privately owned  convey  ance.. Unless otherwise qualified, any mode of transportation actually used for the movement of persons from place   to   place   other   than   a   government conveyance  or  common  carrier.  A  conveyance rented  by  a  member  at  personal  expense  for transportation on PCS or TDY/TAD, when such rental  conveyance  has  not  been  authorized  or approved  as  a  special  conveyance  as  provided for  in  paragraph  U3415  of  the  JRTR  is  also included. PORT  CALL–  Official  notification  or  instructions that  requires  a  member  and/or  dependents  to report for transoceanic transportation. The port call  designates  the  aerial  or  sea  port  of embarkation,  identifies  the  carrier  with  flight number  or  sailing  assignment,  specifies  the required  reporting  time  and  date,  and  provides other   instructions   that   are   relevant   to   the transportation  arrangements  made  on  behalf  of the  traveler(s). POV– Privately owned vehicle. POW–  Prisoner  of  War. PPSUIC–   Personnel  and  Pay  Support  Unit Identification   Code. PRC– Passenger  reservation  confirmation.  A  reply by  the  Air  Mobility  Command  (AMC)  or Passenger Control Point (PCP) in response to a passenger reservation request (PRR), confirming a seat reservation. PRD–  Projected  rotation  date.  Detailers  use  this date  to  determine  when  orders  will  be  written. The  new  assignment’s  PRD  is  also  reflected  on the  new  orders  issued  by  the  ACA. PRECEDENCE–  When it refers to message traffic, precedence enables message drafters to indicate to  the  telecommunications  center  the  relative order  of  processing  and  delivery.  There  are four   precedence   categories–ROUTINE, PRIORITY,   IMMEDIATE,   and   FLASH. PRECERT– Precertification. PROBATE–  The act or process of proving before a duly  authorized  person  that  a  document submitted   for   official   certification   and registration,  as  a  last  will  and  testament,  is genuine. It also means to establish officially the genuineness or validity of; for example, a will. AI-16