In late 2015, Russia said it would consider Afghan requests for arms supply «reasonably and carefully» and that such supplies were first the responsibilities of the US and NATO. (businessinsider.com)
The U.S. has mostly provided low key logistical support and remains a major arms supplier to Saudi Arabia, but has urged restraint in recent times. (politics.stackexchange.com)
Instead, Moscow has provided Azerbaijan with just enough arms supplies for Aliyev to win small, tactical victories that rally Azerbaijani nationalists around his government. (blog.politics.ox.ac.uk)