FM 1-0 HUMAN RESOURCES SUPPORT AUGUST 2021 DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. This publication supersedes FM 1-0, dated 1 April 2014. HEADQUARTERS, DEPARTMENT OF THE ARMY This publication is available at the Army Publishing Directorate site (https://armypubs.army.mil), and the Central Army Registry site (https://atiam.train.army.mil/catalog/dashboard). 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. FM 1-0 i Contents United States Army Materiel Command G-1 ............................................................ 2-4 Army Service Component Command G-1/AG .......................................................... 2-4 Field Army G-1/AG .................................................................................................... 2-5 Corps G-1/AG and Division G-1 ................................................................................ 2-5 Human Resources Operations Center ...................................................................... 2-7 Brigade S-1 ............................................................................................................... 2-8 Battalion S-1 .............................................................................................................. 2-9 The Role of the Adjutant ........................................................................................... 2-9 Army Bands ............................................................................................................... 2-9 Theater Personnel Operations Center .................................................................... 2-10 Human Resources Operations Branch ................................................................... 2-11 Theater Gateway Personnel Accountability Team .................................................. 2-12 Military Mail Terminal .............................................................................................. 2-13 Division Sustainment Troops Battalion Support Operations ................................... 2-13 HR Company ........................................................................................................... 2-14 Chapter 3 MAN THE FORCE .................................................................................................... 3-1 Section I – Personnel Readiness Management ................................................... 3-1 Personnel Readiness Management Responsibilities ................................................ 3-2 Personnel Distribution Levels ................................................................................... 3-4 Casualty Estimation and Replacement Requirements ............................................. 3-6 Achieving Realistic Casualty Estimates .................................................................... 3-6 Reconstitution ........................................................................................................... 3-7 Sustainable Readiness Overview ............................................................................. 3-8 Soldier and Unit Readiness ...................................................................................... 3-9 Management of Derivative Unit Identification Codes .............................................. 3-12 Section II – Personnel Accounting and Strength Reporting ............................ 3-13 Key Terminology ..................................................................................................... 3-15 Personnel Accounting and Strength Reporting Responsibilities ............................ 3-16 Battlefield Flow ........................................................................................................ 3-19 Section III – HR Support to Replacement Operations ....................................... 3-19 Overview of HR Support to Replacement Operations ............................................ 3-20 Replacement Flow by Echelon for Non-Unit Related Personnel ............................ 3-21 Section IV – HR Support to Casualty Operations .............................................. 3-24 Organization Responsibilities .................................................................................. 3-25 Battlefield Flow ........................................................................................................ 3-29 Section V – Personnel Information Management .............................................. 3-31 Organization Responsibilities .................................................................................. 3-32 HR Systems Support............................................................................................... 3-33 Chapter 4 PROVIDE HUMAN RESOURCES SERVICES ........................................................ 4-1 Section I – Essential Personnel Services ............................................................. 4-1 HR Customer Service ............................................................................................... 4-3 Awards and Decorations ........................................................................................... 4-3 Evaluation Reports .................................................................................................... 4-4 Promotions and Reductions ...................................................................................... 4-5 Transfer and Discharge Program .............................................................................. 4-6 Leave and Pass Program ......................................................................................... 4-6 Military Pay ...............................................................................................................