Where do I download the official ATP 3-21.50?

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

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ATP 3-21.50 — INFANTRY SMALL-UNIT MOUNTAIN AND COLD WEATHER OPERATIONS

Q: Is ATP 3-21.50 current?

ATP 3-21.50 is listed as current in the Army Publishing Directorate catalog (publication date 2025-07-29).

ATP 3-21.50 is listed as current Current
in the Army Publishing Directorate catalog as of our last index refresh (2026-07-11).

Branch	U.S. Army
Series	ATP
Publication date	2025-07-29 (1.0 years ago)
Status	Current
Proponent / OPR	TRADOC
Source of record	Army Publishing Directorate

Official document (Army Publishing Directorate)

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Get an email if ATP 3-21.50 is revised, superseded, or rescinded.

Nearby in the ATP series

ATP 3-21.18 — FOOT MARCHES Current
ATP 3-21.20 — INFANTRY BATTALION Current
ATP 3-21.21 — SBCT INFANTRY BATTALION Current
ATP 3-21.51 — SUBTERRANEAN OPERATIONS Current
ATP 3-21.71 — MECHANIZED INFANTRY PLATOON AND SQUAD 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 3-21.50 in an official product.