What isn't as widely understood is that many of the guns it supplies to "partner forces" fighting wars in the Middle East - particularly to rebels in Syria - are Soviet-style munitions such as RPGs and Kalashnikovs which are obtained from manufacturers in Bulgaria, Serbia and other Eastern European countries. The report concluded that by purchasing "large numbers" of European arms and ammunition and then diverting them to non-state actors in Syria without notifying the sellers, the US reportedly "violated the terms of sale and export agreed between weapon exporters ... and recipients."