https://www.gazeta.ru/science/2018/12/12_a_12092281.shtml
Is US Army Artillery progressing toward being able to outrange and outgun Russian and Chinese weapons
https://www.gazeta.ru/army/2018/12/11/12091447.shtml
http://www.ng.ru/politics/2018-12-11/1_7460_cariby.html
https://www.rbc.ru/newspaper/2018/12/11/5c0e3ba59a7947205c50c67d
https://www.gazeta.ru/army/2018/12/10/12090223.shtml
https://www.gazeta.ru/army/2018/12/10/12089563.shtml
https://www.bbc.com/russian/news-46301920
https://www.gazeta.ru/army/2018/12/09/12088555.shtml