Where do I download the official ATP 3-11.74?

The official copy is published on Army Publishing Directorate (https://armypubs.army.mil).

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ATP 3-11.74 — CHEMICAL, BIOLOGICAL, RADIOLOGICAL, AND NUCLEAR PLATOONS

Q: Is ATP 3-11.74 current?

ATP 3-11.74 is listed as current in the Army Publishing Directorate catalog (publication date 2021-04-15).

ATP 3-11.74 is listed as current Current
in the Army Publishing Directorate catalog as of our last index refresh (2026-07-11). Note: its publication date is 2021-04-15 — 5 years old — so check for newer interim changes before citing it.

Branch	U.S. Army
Series	ATP
Publication date	2021-04-15 (5.2 years ago)
Status	Current
Proponent / OPR	TRADOC
Source of record	Army Publishing Directorate

Official document (Army Publishing Directorate)

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Nearby in the ATP series

ATP 3-11.46 — WEAPONS OF MASS DESTRUCTION--CIVIL SUPPORT TEAM OPERATIONS (AFTTP 3-2.81) (THIS ITEM IS PUBLISHED W/ BASIC INCL C1&C2) Current
ATP 3-11.47 — CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR, AND HIGH-YIELD EXPLOSIVES ENHANCED RESPONSE FORCE PACKAGE (CERFP)/HOMELAND RESPONSE FORCE (HRF) OPERATIONS (AFTTP 3-2.79) Current
ATP 3-11.50 — BATTLEFIELD OBSCURATION (THIS ITEM IS PUBLISHED W/ BASIC INCL C1) Current
ATP 3-12.3 — ELECTROMAGNETIC WARFARE TECHNIQUES Current
ATP 3-12.4 — ELECTROMAGNETIC WARFARE PLATOON Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on Army Publishing Directorate — verify there before citing ATP 3-11.74 in an official product.