The 7th Poznan Fortress Days
U.S. Army Soldiers teach Polish citizens how to use M2 .50 Cal Machine gun at Poznan Fortress Days event, August 24-25, 2019, in Poznan, Poland. Poznan Fortress Days is an annual two day Polish holiday, which celebrates Poznan Fortifications from the Middle Ages to the present day. (U.S. Army photo by Pvt. Joanna Gaona Gomez)