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The Army Lessons Learned System is made up of three subsystems: the Center for Army Lessons Learned (CALL), the TRADOC Support to Exercises Program, and the National Training Center (NTC) Lessons Learned Program. These subsystems produce lessons which impact on doctrine, training, organizations, material, and leadership concepts and requirements. The CALL, as focal point of the Army Lessons Learned System, distributes major combat relevant lessons and serves as a HQDA change agent to solve problems which cannot be resolved by a single MACOM or agency.


CALL, located in the Combined Arms Training Activity at Fort Leavenworth, KS, has the mission to provide combat relevant lessons learned to the Total Army (AC and RC). Lessons learned are an intermediate product of the system. The end product and system goal is increased combat effectiveness.

Call Functions

CALL has several specific functions to perform:

  • Serve as the focal point for the Army Lessons Learned System.

  • Collect combat relevant lessons learned from a wide variety of sources.

  • Serve as the Army's repository for lessons learned.

  • Disseminate lessons learned to the Total Army.

  • Operate an automated information system that can be drawn upon by commanders in adapting and preparing their units for specific operational plans or missions.

  • Generate actions to improve doctrine, training, organization, and material.

  • Follow-up to assure application of improvements.

  • Respond to queries from the field.

CALL Products

This CALL Bulletin (and all subsequent Bulletins) is intended as one of the primary means of disseminating lessons learned to the Total Army.

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