When does the greatest combat power in units occur?

The correct answer highlights the importance of synchronization between combat support and service support systems as a critical factor in achieving the greatest combat power in units. When combat support and service support systems are aligned and functioning cohesively, it enhances the overall effectiveness of a unit's operations. This synchronization ensures that units have the necessary resources, logistics, and support systems in place to execute their missions effectively.

Combat power is not solely reliant on the number of personnel or their individual motivation, but rather on how well all components of a unit work together to deliver combat effectiveness. This includes not just the fighting capabilities of soldiers, but also the behind-the-scenes operations that provide crucial support, logistics, and coordination necessary for mission success.

Having fully staffed units, while advantageous, does not guarantee the greatest combat power if those units lack proper support or coordination. Similarly, motivated soldiers add value to a unit, but individual motivation does not replace the need for effective support systems. Live-fire exercises are important for training and readiness, yet they do not directly translate into sustained operational power without the right support mechanisms in place.

Thus, the synchronization of combat and service support systems stands out as the key determinant of maximizing a unit’s combat potential.