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Department of Defense (DOD)

Published by Social Security Administration | Social Security Administration | Metadata Last Checked: June 25, 2025 | Last Modified: R/P1D
The purpose of this agreement is for SSA to verify the SSNs and other identifying information, and confirm citizenship information to the Defense Manpower Data Center (DMDC) of the Department of Defense. DMDC will use the data provided by SSA to validate the identity of individuals entering or serving in the Armed Forces and to identify potential enlistees and members of the military who are aliens or non-citizens.

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