Newly promoted twin sisters, U.S. Army Sgt. Cassandra Walker, left, and U.S. Army Sgt. Calista Walker, right, both assigned to the 525th Battlefield Surveillance Brigade, congratulate each other for their most recent achievement in Kandahar, Afghanistan, Feb. 6. (U.S. Air Force photo/Capt. Joseph Coslett)

DVIDS

For Calista and Cassandra Walker, being together is something that has been the cornerstone of their lives … since birth!

The 24-year-old twin sisters, assigned to different detachments of the 525th Battlefield Surveillance Brigade in Afghanistan, have achieved every major milestone together. The sisters completed high school, received college degrees in Criminal Justice, enlisted in the U.S. Army, attended Basic and Advanced Individual Training, and embarked on their first duty assignment, including a three-month deployment to Iraq, together.

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