 By 2013 Israel became the world's largest exporter of drones.In December 2016, Israel received its first pair of F-35 Lightning II from the United States.The Israeli Air Force took an extensive part in IDF operations during the al-Aqsa Intifada, including the controversial targeted killings of Palestinian militant leaders, most notably Salah Shakhade, Mahmoud Abu-Hunud, Abu Ali Mustafa, Ahmed Yassin, Adnan al-Ghoul, Jamal Abu Samhadana, and Abed al-Aziz Rantissi.