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The Hamas in Gaza has tried to use a small UAS to penetrate Israel last night, it was shot down by the Israeli air force (IAF)
For some time the Hamas has been trying to develop that capability.
In the past UAS were used by the Hezbollah terror organization in Lebanon.
Some of these were intercepted over the Mediterranean and shot down.
The first such attempt was made in 2004. The IAF then has shot down an Iranian made Ababil UAS that was operated by the Hezbollah terror organization as part of the fighting on the Israeli-Lebanese border. The Ababil was detected near the border and an F-16 shot it down. Its debris fell into the Mediterranean.
Since these attempts were foiled the IAF has operated special sensors that improved its capability to detect UAS trying to enter the Israeli airspace.