FM 3-13.4 — Army Support To Military Deception

FM 3-13.4 governs Army support to military deception, including its planning, coordination, execution, synchronization, and assessment.

Search FM 3-13.4

  • Publication number: FM 3-13.4
  • Title: ARMY SUPPORT TO MILITARY DECEPTION
  • Date: 02/26/2019
  • Proponent: T2COM
  • Status: ACTIVE

View FM 3-13.4 on armypubs.army.mil


FM 3-13.4 covers deception fundamentals, types, tactics, techniques, means, information quality, and the Army tactical deception planning process. It addresses intelligence support, legal considerations, operations security, preparation, execution, termination, risk assessment, and measures of effectiveness and performance.

Applies to: FM 3-13.4 applies to all members of the Army profession: leaders, Soldiers, Army Civilians, and contractors.

Topics covered

  • Military deception planning
  • Deception types and categories
  • Deception means
  • Intelligence support
  • Operations security and deception
  • Deception plan execution
  • Counterdeception
  • Measures of effectiveness and performance

Questions and answers

What is military deception planned and conducted to do?

Military deception (MILDEC) is planned, trained, and conducted to support military campaigns and major operations. (paragraph 1-5)

Can Army forces conduct military deception unilaterally?

Army forces do not unilaterally conduct MILDEC. (paragraph 1-5)

What must military deception adhere to?

MILDEC must adhere to the regulatory requirements found in Army policy and regulations, CJCSI 3211.01 series, and applicable CCMD instructions. (paragraph 1-5)

What does ambiguity-increasing deception provide the enemy?

Ambiguity-increasing deception provides the enemy with multiple plausible friendly COAs. (paragraph 1-31)

What law applies to the use of technical means for deception?

As with any use of friendly military material resources, any use of technical means to conduct deception must comply with U.S. and international law. (paragraph 1-64)

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