ATP 3-11.42 — Multi-service Tactics, Techniques, And Procedures For Domestic Chemical, Biological, Radiological, And Nuclear Response (mcrp 10-10e.10, Nttp 3-11.38, Afttp 3-2.84) (this Item Is Published W/ Basic Incl C1)

ATP 3-11.42 governs domestic chemical, biological, radiological, and nuclear response operations and support to civil authorities.

Search ATP 3-11.42

  • Publication number: ATP 3-11.42
  • Title: MULTI-SERVICE TACTICS, TECHNIQUES, AND PROCEDURES FOR DOMESTIC CHEMICAL, BIOLOGICAL, RADIOLOGICAL, AND NUCLEAR RESPONSE (MCRP 10-10E.10, NTTP 3-11.38, AFTTP 3-2.84) (THIS ITEM IS PUBLISHED W/ BASIC INCL C1)
  • Date: 12/22/2021
  • Proponent: T2COM
  • Status: ACTIVE

View ATP 3-11.42 on armypubs.army.mil


It covers the domestic response framework, CBRN response enterprise, operational phases, assistance requests, command relationships, and state, local, and tribal coordination. It states that Force package 1 must be prepared to deploy within 24 hours of notification and Force package 2 within 48 hours of notification.

Applies to: This publication has been prepared under our direction for use by our respective commanders and other commands as appropriate.

Topics covered

  • Domestic CBRN response
  • Homeland response operations
  • CBRN response enterprise
  • Operational response phases
  • Request for federal assistance
  • State, local, and tribal relationships
  • Dual status command
  • Defense CBRN Response Force

Questions and answers

When does the Phase III Operate phase begin?

The Phase IIIOperate phase begins when DOD or NG forces begin executing mission assignments within the operational area. (paragraph 1-59)

How are DOD requests for assistance approved?

DOD accepts mission assignments as RFAs, which become mission assignments only after being received by the Office of the Executive Secretary of DOD, then forwarded to the Assistant SECDEF for Homeland Defense and Global Security and the Joint Staff operations directorate of a joint staff (J-3) for validation and order processing, and finally to SECDEF for approval. (paragraph 1-59)

What must Force package 1 and Force package 2 be prepared to do?

Force package 1 must be prepared to deploy within 24 hours of notification. Force package 2 must be prepared to deploy within 48 hours of notification. (paragraph 3-55)

Where are DSCA operations conducted?

By definition, DSCA operations are conducted only in the U.S. homeland. (paragraph 1-13)

Can tribal governments seek federal government support directly?

Tribal governments usually work with the state, but they can seek federal government support directly as sovereign entities. (paragraph 3-38)

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