text: FM 1-0
  Field Manual Headquarters
  No. 1-0 Department of the Army
  Washington, D.C., 25 August 2021
  Human Resources Support
  Contents
  Page
  PREFACE..................................................................................................................... v
  INTRODUCTION ........................................................................................................ vii
  Chapter 1 HUMAN RESOURCES (HR) SUPPORT .................................................................. 1-1
  Section I – Overview of HR Support ...................................................................... 1-1
  Principles of HR Support ........................................................................................... 1-2
  Focus of HR Support ................................................................................................. 1-4
  Core Competencies and Key Functions of HR Support ............................................ 1-4
  Core Competencies Overview ................................................................................... 1-5
  Section II – Overview of HR Support to Operations ............................................ 1-9
  Threats to HR Support ............................................................................................. 1-10
  Extended Battlefield Environment ........................................................................... 1-11
  Section III – Army Command and Support Relationships ................................. 1-11
  HR and the Sustainment Warfighting Function ....................................................... 1-12
  HR Roles ................................................................................................................. 1-13
  Section IV – Overview of HR Support to Unified Land Operations .................. 1-15
  Operational Reach, Freedom of Action, Prolonged Endurance .............................. 1-15
  Army Executive Agent Responsibilities ................................................................... 1-17
  Section V – Overview of HR Planning and Operations ...................................... 1-17
  HR Planning and Operations ................................................................................... 1-17
  Running Estimate .................................................................................................... 1-18
  HR Planning Using the Military Decision-Making Process ...................................... 1-18
  HR Input to Operation Orders.................................................................................. 1-19
  Casualty Input to Operation Orders ......................................................................... 1-22
  Postal Input to Operation Orders ............................................................................. 1-23
  Chapter 2 HUMAN RESOURCES ECHELONS, ORGANIZATIONS, AND STAFF
  ELEMENTS ............................................................................................................... 2-1
  Section I – Overview of Strategic Level HR Support ........................................... 2-1
  The Army G-1 ............................................................................................................ 2-1
  Human Resources Command ................................................................................... 2-1
  Section II – Overview of Operational and Tactical Level HR Support ................ 2-2
  Rules of Allocation for HR Organizations .................................................................. 2-2
  United States Army Forces Command G-1/AG......................................................... 2-3
  United States Army Training and Doctrine Command G-1/AG ................................. 2-3
  Army Futures Command Human Capital .................................................................. 2-3
  DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited.
  This publication supersedes FM 1-0, dated 1 April 2014.