Farewell to the Warthog: A-10 Retires from South Korea by FY2025 The age of the Fairchild Republic A-10 Thunderbolt II is coming to an end, and the U.S. Air Force is determining a future without it .

The downing of a Russian Su-25 on Saturday highlights the dangers facing American A-10s in Syria and Afghanistan. A-10s are at risk from MANPADs and other anti-aircraft systems larger than 23mm.