U.S. Soldiers assigned to the 7th Engineer Brigade, 21st Theater Sustainment Command, conduct hot/cold load training with Romanian soldiers in Frecetai, Romania, June 8, 2025. Exercises like these focus on enhancing the U.S.'s interoperability, enabling Allies and partner forces to operate together and communicate more effectively through shared procedures. (U.S. Army video by Spc. Nathan Arellano Tlaczani)