https://www.kyivpost.com/post/61185
https://militarnyi.com/en/news/estonia-expands-himars-fleet-adds-atacms-missiles/
https://www.dw.com/en/estonian-volunteers-prepare-for-potential-russian-attack/a-70436904
https://unn.ua/en/news/estonia-prepares-for-defense-large-scale-exercises-and-construction-of-bunkers-on-the-border-estonia-is-preparing-for-war-with-russia-which-nato-hopes-to-deter-euractiv
https://news.err.ee/1609818012/estonia-to-significantly-increase-weapons-purchases-from-us
https://euromaidanpress.com/2025/09/28/estonia-to-provide-11-mn-for-initiative-to-purchase-us-weapons-for-ukraine/
https://estonianworld.com/security/estonia-to-purchase-medium-range-air-defence-systems-from-germany
https://united24media.com/latest-news/ukrainian-iris-t-air-defense-system-downs-record-number-of-missiles-in-just-30-seconds-8951
https://militarnyi.com/en/news/estonia-plans-to-purchase-sam-system-to-protect-against-ballistic-missiles/
https://www.kyivpost.com/post/34300
https://www.rusi.org/explore-our-research/publications/special-resources/preliminary-lessons-ukraines-offensive-operations-2022-23
https://militarnyi.com/en/news/estonia-begins-building-baltic-defense-line-on-border-with-russia
https://kaitseministeerium.ee/en/news/estonia-invest-over-eu10-billion-defence-2026-2029
https://www.msn.com/en-us/news/world/nato-agrees-to-5-gdp-for-defense-after-trump-reaffirms-commitment/ar-AA1HoVdF
https://www.bbc.com/news/articles/cj4en8djwyko
https://www.nato.int/cps/en/natohq/news_233087.htm?selectedLocale=en
https://kaitseministeerium.ee/sites/default/files/sisulehed/eesmargid_tegevused/rkak2026-a6-spreads_eng-v6.pdf
https://news.sky.com/story/estonias-weekend-warriors-the-sas-civilians-urging-brits-to-get-off-the-sofa-and-learn-how-to-fight-13077055