Army Techniques Publication (ATP) 1-20, Military History Operations, is the first historical ATP released under Doctrine 2015. It replaces FM 1-20. ATP 1-20 makes numerous changes from the now obsolete FM 1-20. ATP 1-20 includes a discussion of how the Army organizes for field history operations to ensure that Army operations are captured for the historical record. The most significant change is the introduction to the various types of military history detachment (MHD) organizations and doctrinal missions. ATP 1-20 also delineates the principles field historians follow to execute their duties. ATP 1-20 contains six chapters:
DesignationATP 1-20
EditionJun 2014
ChangeC1
StatusActive
ProponentTRADOC
Pages74
FunctionDoctrine Philosophy
CollectionCurrent Doctrine
Approved for public release; distribution is unlimited. +This publication supersedes FM 1-20, dated 3 February 2003.