Synchronization in training planning means coordinating training events so they align with mission priorities, resource availability, and the overall schedule to maximize impact. It’s about more than just lining up activities; it’s ensuring each event supports METL tasks, uses the right equipment and facilities, has the necessary instructors, and fits with higher-level calendars. When this alignment happens, training builds momentum and coherence, making each activity reinforce others and preventing conflicts over scarce resources or time. For example, scheduling a live-fire drill only when ranges, safety personnel, ammunition, and transport are all available—and when it complements other tasks being trained—creates a much stronger overall effect. Scheduling events in isolation neglects interdependencies and can cause interference. Maximizing the number of events without regard to priorities wastes limited resources. Focusing only on the sequence of events without considering external constraints misses the bigger plan and can leave gaps or overlaps.