This class of weapons dates to not less than the 1980s, when Israel produced the Harpy loitering munition for use while in the suppression of enemy air defenses (SEAD). China would later on receive the Harpy from Israel in 1994 and continues to be learning loitering munitions for over twenty https://deanjgavq.qodsblog.com/38519902/drone-survey-for-environmental-monitoring-bd-an-overview