The standard form of identification for DoD employees is the Common Access Card (CAC). It is the DoD-wide ID card used for identification and access purposes.

Quick Scoop

  • Answer: Common Access Card, or CAC.
  • It is the official DoD identification card for eligible personnel, including many civilian employees and contractors.
  • The CAC is also listed as a U.S. military ID card in DoD acceptable identity documents.

If you want, I can also explain the difference between a CAC and a USID card.