scope:

Applicability.

This regulation applies to the Active Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve unless otherwise stated.

Purpose

This regulation, which applies to the entire Army, establishes a system for the collection, analysis, archiving, and dissemination of observations, insights, and lessons (OIL); tactics, techniques, and procedures (TTP); after action reviews (AAR); operational records; and lessons learned from actual Army operations, experiments, and training events. The purpose of collecting, identifying, analyzing, disseminating, and integrating lessons learned and critical operational information and knowledge is to sustain, enhance, and increase the Army's preparedness to conduct current and future operations. The intent is to systematically correct Army doctrine, organization, training, materiel, leadership and education, personnel, and facilities (DOTMLPF) deficiencies through research, development, acquisition, and planning activities.