The drone that came from Syria and entered Israel’s airspace, triggering off a significant confrontation between Syria, Iran and Israel was a knockoff of the United States’ RQ-170. Its distinct silhouette is clearly visible on video of the drone intrusion provided by Israel’s Defense Ministry.
The RQ-170, built by Lockheed Martin, is a stealth drone, meaning that it is specially designed to evade radar. The Syrians, Iranians, Hezbollah and the Russians have been using drones heavily in the civil war in Syria, but they also have been sent into Israeli airspace.
Last July a drone that may have been Iranian or Russian  – it has never been positively identified – entered Israel’s airspace.  The Israeli launched two Patriot missiles, both of which missed their target.  It then tried to shoot down the drone with an air to air missile from an F-15, but that also missed.  The drone escaped to Syria.
This could have been the first test …
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