text: Man the Force
  rear detachment. The codes replicate those established and used in electronic Military Personnel Office
  (eMILPO) for use by deploying or deployed units in the rear detachment reports submitted separately to
  Army personnel managers. Unit commanders use their remarks to clearly explain why any available Soldier
  will be or is in the unit’s rear detachment.
  3-48. Brigades have a responsibility for self-managing the use of their own DUICs. To ensure Soldiers are
  assigned to the correct location, HR leaders and S-1s must reconcile all unit identification codes and DUICs
  monthly.
  SECTION II – PERSONNEL ACCOUNTING AND STRENGTH REPORTING
  3-49. Soldier accountability is the responsibility of commanders at all echelons during peacetime,
  mobilization, combat, and other types of deployments. Deployment encompasses all activities from origin or
  home station through destination, specifically including intra-continental United States, inter-theater, and
  intra-theater movement legs, staging, and holding areas. Various HR accountability and strength reporting
  resources are used for this process. The objective of PASR is to account for Soldiers, military members of
  other Services, DOD and DA Civilians, and CAAF; report other strength-related information, such as duty
  status, unit of assignment, and specialty codes; and update HR databases and systems at all levels.
  Information gained through PASR provides personnel readiness managers the details necessary to analyze
  personnel strength as a component of combat power. This information is also used by other HR leaders to
  plan and provide HR support. The following paragraphs discuss the responsibilities of PASR. Refer to AR
  600-8-6, Personnel Accounting and Strength Reporting, for detailed information regarding policies,
  standards, and requirements for performing PASR.
  3-50. Personnel accounting is the reporting of by-name data on Soldiers, DOD and DA Civilians as they
  arrive and depart units, and management of the location and duty status of every person assigned or attached
  to a unit. The Army’s personnel accounting system, eMILPO, accounts for joint, interagency,
  intergovernmental, and multinational personnel when directed and eligible family members during
  noncombatant evacuation operations. Strength reporting is a numerical end product of the personnel
  accounting process. It is achieved by transforming the by-name data into a numerical end product that, when
  compared to unit authorized strength, drives Army readiness and personnel readiness.
  3-51. Personnel accounting is one of the most important functions a battalion or brigade S-1 performs on a
  continual basis, regardless of location or environment. Data accuracy is critical to the personnel accounting
  process. Promptly entering personnel accountability changes is crucial to providing commanders, strength
  managers, and manpower analysts at HQDA a correct strength picture of the Army and individual units.
  Personnel accounting is the key factor used for conducting strength reporting.
  3-52. Personnel accounting includes the by-name recording of specific data on arrivals and departures of
  personnel from their units, duty status or grade changes, assignment eligibility and availability codes, and
  MOS/specialty codes. It is extremely important for battalion and brigade S-1 HR professionals to be
  competent in using HR systems and databases and to understand the personnel accounting reporting process.
  3-53. The personnel accounting process is crucial to the Army’s entire PIM system. Not only is personnel
  accountability maintained by units, but also as personnel enter, transit, and depart theater. Currently, the HR
  Authorization Report located in eMILPO serves as the source document for battalion and brigade S-1s,
  reflecting the slotting of assigned personnel. Other personnel accounting tasks include––
  * Account for military personnel individually in DTAS, IPPS-A, eMILPO, and Regional Level
  Application Software.
  * Collect, process, and sort personnel accounting data about Soldiers, CAAF including other theater
  designated contractor personnel, and DOD and DA Civilians.
  * Track and account for transiting personnel in DTAS.
  3-54. The Army uses DTAS in a deployed environment and is the official database of record for personnel
  accounting for all assigned or attached military Services. It provides HR professionals and commanders at
  all levels with a tool to accurately account for and report military and DOD and DA Civilians. The
  Synchronized Pre-deployment and Operational Tracker (SPOT) is the DOD enterprise system that provides
  personnel accounting for CAAF and other designated contractor personnel in an operational area. In the event