Ukraine has unveiled a new domestically produced air defense missile designed to replace dwindling Soviet-era ammunition for its Osa-AKM systems, according to Ukrainian media. The RK-19 missile, developed by Ukraine’s state defense industry and displayed at the MSPO defense exhibition in Poland, is designed to replace the Soviet 9M33-series missiles currently used by Ukraine’s Osa-AKM air defense systems, Militarnyi reported.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. The missile was first publicly revealed in April 2026 in a video address by President Volodymyr Zelensky marking Ukraine’s Day of the Defense Industry Worker. The RK-19 can intercept aerial targets at distances of up to 10 kilometers (6 miles) and altitudes of up to 5 kilometers (3 miles). It has a maximum speed of 600 meters per second (1,968 feet per second) and uses a radio-command guidance system similar to that of the Soviet missiles it is intended to replace. The missile and its launch container weigh 163 kilograms (359 pounds) combined, while the warhead weighs 14.3 kilograms (31.5 pounds). Filling a Soviet-era gap The Osa-AKM is a Soviet-designed, all-weather surface-to-air missile system used by Ukraine to protect troops and critical infrastructure from aircraft and cruise missiles. Each Osa-AKM launcher carries six 9M33M3 missiles. Those missiles can engage targets at ranges of up to 10 kilometers (6 miles) and altitudes of up to 5 kilometers (3 miles), with a maximum speed of around 500 meters per second (1,640 feet per second).