3rd U.S. Infantry Regiment

3rd U.S. Infantry Regiment (“The Old Guard”)

Army ceremonial / security unit headquartered at Fort Myer / fort-belvoir. Trained on Bumblebee V1 C-UAS in April 2026 under a jiatf-401 / jtf-ncr exercise.

Sources

• src-bumblebee-v2-ncr-counterdrone-2026-04