YUMA PROVING GROUND, Ariz. — Radar units send out pulses of high-frequency electromagnetic waves that reflect off objects, and modern radar systems are sophisticated enough to track even small, ...
Airborne Test Force (ATF) Soldier Justin DeVaul celebrated his promotion to Sgt. 1st Class on the afternoon of April 14. DeVaul was surrounded by Yuma Test Center Commander Lt. Col. Alicia Johnson, ...
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