This class of weapons dates to not less than the eighties, when Israel made the Harpy loitering munition for use while in the suppression of enemy air defenses (SEAD). China would afterwards purchase the Harpy from Israel in 1994 and has been finding out loitering munitions for over twenty years. https://usb-c-power-bank06037.dgbloggers.com/38845129/rumored-buzz-on-digital-planimetric-mapping-bd