What does the Defense Manpower Data Center (DMDC) primarily contain?

The Defense Manpower Data Center (DMDC) serves a critical role by maintaining a comprehensive repository of personnel files and military records. This includes information such as service member demographic details, military employment history, and deployment data, which are essential for various needs including research, operational planning, and personnel management within the Department of Defense.

One of the key functions of the DMDC is to ensure that a complete and accurate record of military personnel is accessible, which goes beyond just active duty records. This encompasses files from reserve members and veterans as well, thus providing a holistic view of military personnel across different statuses.

In contrast, the other options do not accurately reflect the scope of the DMDC. While medical records and financial records may exist in other systems, they are not the primary focus of the DMDC. Additionally, limiting the data to only active duty records does not account for the full range of personnel information managed by the DMDC, which also includes reserves and retired military personnel, highlighting the importance of comprehensive personnel tracking across all branches of the military.