Russian cluster bomb
RBK-500 is a Russian 500 kg cluster bomb. It carries 15 "Motiv-3" SPBE-D antitank submunitions developed by NPO Bazalt with dual-mode infrared homing system. It entered service with the Soviet Air Force in 1987.
In November 2023, during the Russo-Ukrainian war, Russian forces reportedly began deploying RBK-500s fitted with "Unifitsirovannyi Modul Planirovaniya i Korrektsii" (UMPK) standoff glide bomb kits against Ukrainian forces in Donetsk Oblast, near Staromaiorske. It was the first time RBK-500s fitted with UMPKs were seen being used on publicly-available video.
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