Bulgarian Special Operation Forces (SOF) and U.S. Army Green Berets assigned to 10th Special Forces Group (Airborne) conduct a night raid capturing an enemy as part of Trojan Footprint 21 in Plovdiv, Bulgaria on May 6, 2021. Trojan Footprint 21 is Special Operations Command Europe's annual exercise to demonstrate proficiencies, assess the readiness and lethality of our respective forces, and to continue improving interoperability with allies and partners. (U.S. Army photo by SSG Travis Fontane)