https://www.gazeta.ru/politics/2018/12/13_a_12093643.shtml
https://www.kommersant.ru/doc/3828931
https://www.kommersant.ru/doc/3828355
http://www.ng.ru/cis/2018-12-12/6_7461_belorussia.html
https://www.gazeta.ru/army/2018/12/12/12093031.shtml
Is US Army Artillery progressing toward being able to outrange and outgun Russian and Chinese weapons
https://www.rbc.ru/newspaper/2018/12/11/5c09419b9a7947781ad3fa28
http://www.dsnews.ua/world/london-ne-shutit-zachem-britaniya-portit-zhizn-putinskim-10122018220000