Help you (like the MICO structure). Compare this to other manuals like FM 2-0 (Intelligence).
The primary source for official Army doctrine. You can search for the manual on the official APD website . atp 2-19.4 pdf
The U.S. Army Intelligence Center of Excellence often hosts finalized drafts and supplemental materials on their IKN portal (requires CAC login). Help you (like the MICO structure)
If you are a civilian researcher or a veteran without .mil access, try the (supported by the Command and General Staff College). They often keep older FOUO documents in a read-only format for research. atp 2-19.4 pdf