Final answer:
The COSC leadership function 'Reintegrate' is aimed at helping service members return to normal functioning after experiencing combat stress, ultimately preventing long-term psychological issues and promoting unit readiness.
Step-by-step explanation:
The combat operational stress control (COSC) leadership function "Reintegrate" is focused on facilitating the return to normal functioning after service members have been exposed to stressful combat situations. This process involves the use of various interventions and supports designed to assist individuals in the readjustment to daily life and their respective military roles. The objective of reintegration is not only to address acute stress reactions but also to prevent long-term psychological difficulties and enhance overall unit readiness and cohesion.