ATP 2-01.3 Intelligence Preparation of the Battlefield MARCH 2019 DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. This publication supersedes ATP 2-01.3/MCRP 2-3A, dated 10 November 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). ATP 2-01.3, C1 Change No. 1 Headquarters Army Techniques Publication Department of the Army Washington, D.C., 06 January 2021 No. 2-01.3 Intelligence Preparation of the Battlefield 1. Change 1 to ATP 2-01.3 (1 March 2019) aligns the publication with updates to ADP 2-0, ADP 3-0, ADP 5-0, and ADP 6-0, each dated 31 July 2019. Change 1 updates content and eliminates obsolete information. 2. Change 1— Modifies the introductory figure. Modifies table 4-1. Modifies figure 4-4. Adds figures 4-15 through 4-17. Modifies figures 5-4 and 5-6. Modifies figures 6-2 and 6-4. Adds table B-13. 3. A plus sign (+) marks new/updated material. Additionally— A plus sign (+) followed by a figure/table number (+Table B-14. Maximum ranges for the identification of select targets) indicates a change to the figure/table caption. A plus sign (+) followed by a figure/table caption (Figure 4-4. +Intervisibility line example) indicates a change within the figure/table. 4. The footers of each page on which a change occurs include “C1” following “ATP 2-01.3.” 5. ATP 2-01.3, 1 March 2019, is changed as follows: Remove Old Pages Insert New Pages pages ii through vii pages ii through vii pages xi and xii pages xi and xii pages 1-2, 1-4, 1-5, 1-6, 1-13, 1-16 pages 1-2, 1-4, 1-5, 1-6, 1-13, 1-16 pages 2-1, 2-3, 2-5, 2-6 pages 2-1, 2-3, 2-5, 2-6 pages 3-1, 3-6 pages 3-1, 3-6 pages 4-4, 4-6, 4-7, 4-8, 4-11, 4-14, 4-21 through pages 4-4, 4-6, 4-7, 4-8, 4-11, 4-14, 4-21 through 4-29 4-32 pages 5-1, 5-3, 5-8, 5-10, 5-12, 5-19 pages 5-1, 5-3, 5-8, 5-10, 5-12, 5-19 pages 6-5, 6-6, 6-9 through 6-13, 6-18 through 6-21 pages 6-5, 6-6, 6-9 through 6-13, 6-18 through 6-21 pages 7-1 through 7-14, 7-20, 7-31, 7-34 pages 7-1 through 7-14, 7-20, 7-31, 7-34 pages 8-5, 8-8 pages 8-5, 8-8 pages B-8 through B-10 pages B-8 through B-10 pages C-4 pages C-4 pages D-10 pages D-10 pages Glossary-2 through Glossary-7 pages Glossary-2 through Glossary-7 pages References-1 through References-2 pages References-1 through References-2 pages Index-1 through Index-6 pages Index-1 through Index-6 6. File this transmittal sheet in the front of the publication for reference purposes. DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. ATP 2-01.3, C1 06 January 2021 By Order of the Secretary of the Army: JAMES C. MCCONVILLE General, United States Army Chief of Staff Official: KATHLEEN S. MILLER Administrative Assistant to the Secretary of the Army 2035704 DISTRIBUTION: Active Army, Army National Guard, and United States Army Reserve: Distributed in electronic media only (EMO). PIN: 104814-001 *ATP 2-01.3 Army Techniques Publication Headquarters No. 2-01.3 Department of the Army Washington, DC 1 March 2019 Intelligence Preparation of the Battlefield Contents Page PREFACE............................................................................................................. vii INTRODUCTION ................................................................................................... xi PART ONE FUNDAMENTAL PRINCIPLES, PROCESS ACTIVITIES, AND RELATIONSHIPS Chapter 1 INTELLIGENCE PREPARATION OF THE BATTLEFIELD FUNDAMENTALS1-1 Intelligence Preparation of the Battlefield (IPB) Defined .................................... 1-1 IPB Process Activities ......................................................................................... 1-3 Staff Collaboration .............................................................................................. 1-5 Relationships ...................................................................................................... 1-8 Multi-Domain Understanding of the Operational Environment ......................... 1-12 IPB and the Army’s Strategic Roles ................................................................. 1-15 Chapter 2 IPB SUPPORT TO PLANNING AND DECISION MAKING .............................. 2-1 IPB and Planning ................................................................................................ 2-1 IPB and Decision Making ................................................................................... 2-5 PART TWO FUNDAMENTAL TASK TECHNIQUES Chapter 3 STEP 1—DEFINE THE OPERATIONAL ENVIRONMENT ............................... 3-1 What Is It?........................................................................................................... 3-1 So What? ............................................................................................................ 3-2 How to Do It: The Process.................................................................................. 3-2 Identify the Limits of the Commander’s Area of Operations ............................... 3-3 Identify the Limits of the Commander’s Area of Interest .................................... 3-3 Identify Significant Characteristics of the Area of Operations and Area of Interest for Further Analysis ............................................................................... 3-5 Evaluate Current Operations and Intelligence Holdings to Determine Additional Information Needed to Complete IPB ................................................ 3-8 Initiate Processes to Acquire the Information Needed to Complete IPB ............ 3-8 DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. *This publication supersedes ATP 2-01.3/MCRP 2-3A, dated 10 November 2014. ATP 2-01.3 i Contents Chapter 4 STEP 2—DESCRIBE ENVIRONMENTAL EFFECTS ON OPERATIONS ........ 4-1 What Is It? ........................................................................................................... 4-1 So What? ............................................................................................................ 4-1 How to Do It: The Process .................................................................................. 4-2 Describe How the Threat Can Affect Friendly Operations .................................. 4-2 Describe How Terrain Can Affect Friendly and Threat Operations .................... 4-5 Describe How Weather Can Affect Friendly and Threat Operations ................ 4-19 Describe How Civil Considerations Can Affect Friendly and Threat Operations ......................................................................................................... 4-25 Chapter 5 STEP 3—EVALUATE THE THREAT ................................................................. 5-1 What Is It? ........................................................................................................... 5-1 So What? ............................................................................................................ 5-3 How to Do It: The Process .................................................................................. 5-4 Identify Threat Characteristics ............................................................................ 5-5 Create or Refine Threat Models .......................................................................... 5-9 Identify Threat Capabilities ............................................................................... 5-16 Outputs from Step 3 of the IPB Process ........................................................... 5-18 Chapter 6 STEP 4—DETERMINE THREAT COURSES OF ACTION ............................... 6-1 What Is It? ........................................................................................................... 6-1 So What? ............................................................................................................ 6-1 How to Do It: The Process .................................................................................. 6-2 Develop Threat Courses of Action ...................................................................... 6-2 Develop the Event Template and Matrix ........................................................... 6-20 PART THREE CONSIDERATIONS FOR OPERATIONS AND ENVIRONMENTS Chapter 7 IPB FOR UNIFIED ACTION AND UNIQUE ENVIRONMENTS ......................... 7-1 Section I – Unified Action ................................................................................. 7-1 +Offensive Operations ........................................................................................ 7-1 +Defensive Operations ....................................................................................... 7-4 +Stability Operations ........................................................................................... 7-6 Section II – Unique Environments ................................................................. 7-16 Littoral Environments ........................................................................................ 7-16 Urban Environments ......................................................................................... 7-19 Subterranean Environments ............................................................................. 7-34 Chapter 8 ADDITIONAL CONSIDERATIONS FOR OPERATIONAL ENVIRONMENTS .. 8-1 The Operational Environment ............................................................................. 8-1 Air Domain .........................................................................................................