”Higher headquarters did not provide the Third Infantry Division (Mechanized) with a plan for Phase IV. As a result, Third Infantry Division transitioned into Phase IV in the absence of guidance.”
Can't be right?
3rd ID AAR - PDF file
oops. there it is, page 293.
So after conquest, you just stop. That's planning for success.
(Marines use M$ Office? Airborne does PowerPoint? Eew. )