Signal Strength A soldier assigned to the 1st Signal Brigade participates in a mast system tower familiarization and demonstration at the Crown Tech Tower Facility, U.S. Army Garrison Humphreys, South Korea, April 14, 2026. Held in recognition of Signal Month, the event enhances soldiers' understanding of signal tower operations. SHARE: Download: Full Size (2.74 MB) Tags: army, training, indo-pacific Credit: Army Pfc. Shin Haegyeom VIRIN: 260413-A-VF440-9208.JPG Photo Gallery