https://www.radiosvoboda.org/a/%D0%BCijskova-dopomoha-usa-ukraina-nato-navchannya/30639862.html
https://www.bbc.com/russian/news-52839800
https://www.gazeta.ru/politics/2020/05/28_a_13099297.shtml
http://www.ng.ru/world/2020-05-28/6_7873_turkey.html
https://www.radiosvoboda.org/a/zakryvaiut-vikna-u-svit-uak-blokuiut-saity-v-krymu/30639799.html
https://jamestown.org/program/shoigus-image-of-russias-armed-forces-mobile-modern-and-efficient/
https://www.radiosvoboda.org/a/dnr-lnr-pushylin-pasichnyk-putin/30637930.html
https://www.inopressa.ru/article/27May2020/nytimes/jets.html
https://www.nytimes.com/2020/05/26/world/middleeast/russia-warplanes-libya.html