4-29. Commanders use a mix of live, virtual, and constructive (L-V-C) training to achieve and sustain unit and staff proficiency on selected METL tasks and supporting unit and staff battle tasks within the Band of Excellence. The goal is to train mission essential tasks to standard and sustain a wartime readiness posture. Battalion level units attain and sustain warfighting proficiency and develop soldier fieldcraft primarily through live training. Brigades and higher units rely more on V-C training events to attain and sustain their warfighting proficiency. In general, commanders at battalion level and lower plan and execute standards based in V-C simulations to—