Final answer:
The Marine Corps' Intelligence Activity (MCIA) is a division within the Marine Corps responsible for intelligence gathering and analysis.
Step-by-step explanation:
The Marine Corps' Intelligence Activity (MCIA) is a division within the Marine Corps responsible for intelligence gathering and analysis. The MCIA is a military intelligence agency of the United States Marine Corps, and their main mission is to provide intelligence support to Marine Corps forces. This includes collecting and analyzing information, conducting intelligence operations, and producing intelligence products to assist commanders in making informed decisions.