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Col. Andrew Collins, commander of the Maryland Army National Guard, and distinguished visitors receive a briefing about Exercise Baltic Blitz 23, a trilateral cyber exercise, on Sept. 19, 2023, at Ämari Air Base, Harijumaa, Estonia. About 30 Airmen from the 175th Wing, two soldiers from the Illinois National Guard, 12 members from Poland, and 30 Estonians participated in the cyber exercise, which centered around securing simulated rail transportation systems from cyber attacks. (Maryland Army National Guard photo by 1st Sgt. Thaddeus Harrington)