Final answer:
The SCA consists of two distinct mission activities: Civil Administration in friendly territory and in occupied territory.
Step-by-step explanation:
The SCA, which stands for Civil Administration, consists of two distinct mission activities: Civil Administration in friendly territory and in occupied territory. When an army has penetrated into the heart of a hostile country, leaving a number of fortified cities in its rear, it is considered occupied ground. In this situation, it is serious ground and requires careful handling.