Master Sgt. Mark Hill and Specialist Jorge Castellanos, wheeled vehicle mechanics from Headquarters and Headquarters Company, 86th Expeditionary Signal Battalion, 11th Tactical Signal Brigade, ensure correct battery terminations on their vehicle during wash rack operations at Novo Selo Training Area, Bulgaria on July 23, 2017. The 86th Expeditionary Signal Battalion has been in Bulgaria for two months supporting Saber Guardian 17, a multinational exercise to promote interoperability and stability in the Black Sea region. (US Army photo by Master Sgt. JD Phippen)

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Size: 5472px × 3072px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 11th, 17, 86th, battalion, bliss, brigade, expeditionary, ft., guardian, saber, signal, tactical