“The Ukrainian military used a Western-supplied Patriot long-range missile system to take down five military aircraft over Russia’s border Bryansk Region in May, Air Forces spokesman Igor Ignat told journalists on Monday. Kiev had promised not to use donated weapons outside of territories that were part of Ukraine before 2014.
The official praised Ukrainian troops for what he jokingly described as ‘the Bryansk massacre.’ They used the US-made weapon system to destroy a Su-34 fighter jet, a Su-35 fighter jet, two Mi-8 electronic warfare helicopters, and another Mi-8 helicopter, Ignat said…”
https://www.rt.com/russia/588121-ukraine-patriot-missiles-bryansk/
h/t GravyForTheBrian