 On 25 April 2013, an Israeli F-16C shot down an unmanned aerial vehicle (UAV) from Lebanon over the sea off Haifa, in northern Israel using a Python-5 missile.In September 2016 and February 2017 IAF F-16 fighters shot down Hamas drones (UAVs) near the Gaza Strip.During the 2010s Israeli upgraded all of its Barak 1 (F-16C/D) and Barak 2 (F-15CG/DG) fleet to "Barak 2020" configuration, an MLU which gives them Sufa-grade avionics.