https://en.wikipedia.org/wiki/List_of_operations_conducted_by_Delta_Force 

https://www.americanspecialops.com/delta-force/selection/#google_vignette 

https://sofrep.com/specialoperations/delta-force-the-complete-guide/ 

https://kula-tactical.com/how-to-become-a-spetsnaz?srsltid=AfmBOoq7o2t5IdaHbzBOAP6yMvxiE2nPDtjR8d4Iyo6RQJlbKi8w2I6e 

https://greydynamics.com/gru-spetsnaz-the-batmen-of-russia/ 

https://msigwarrior.com/pft-ru-spetsnaz.html 

https://en.wikipedia.org/wiki/Delta_Force#:~:text=Troops%20are%20led%20by%20captains,has%20five%20or%20six%20members 

https://www.wearethemighty.com/mighty-tactical/special-mission-faceoff-delta-force-versus-spetsnaz/ 

https://en.wikipedia.org/wiki/Spetsnaz_GRU 

https://www.quora.com/How-many-people-are-in-a-Spetsnaz-team#:~:text=The%20basic%20Spetsnaz%20unit%20is,consisting%20of%20200%E2%80%93300%20soldiers. 

https://military-history.fandom.com/wiki/Alpha_Group 

https://en.wikipedia.org/wiki/Alpha_Group 

https://www.businessinsider.com/weapons-russian-spetsnaz-2017-6#another-rifle-used-by-spetsnaz-snipers-is-the-svds-dragunov-which-is-an-advanced-lighter-version-of-the-svd-with-a-folding-stock-it-was-originally-designed-for-russian-paratroopers-the-vdv-5 

https://www.americanspecialops.com/delta-force/weapons/ 

https://247wallst.com/special-report/2023/08/28/the-30-guns-used-by-delta-force/ 

https://www.heckler-koch.com/en/Products/Military%20and%20Law%20Enforcement/Assault%20rifles/HK416 

https://en.kalashnikovgroup.ru/catalog/boevoe-strelkovoe-oruzhie/avtomaty/avtomat-kalashnikova-ak74m 

https://weaponsystems.net/system/486-Dragunov+SVD 

https://eu.glock.com/en/products/pistols/g19 

https://eu.glock.com/en/Products/GLOCK-Accessories?filter=G17 

https://roe.ru/eng/catalog/Security%20systems/Counterterrorist%20assets/Pistols/GSh-18/ 

https://sofsupport.org/special-ops-has-a-broken-culture-with-explosive-breaching-that-can-lead-to-tbis/ 

 

https://warriormaven.com/land/former-delta-force-operator-describes-hand-to-hand-combat 

https://supersoldierproject.com/enter-the-spetsnaz-russian-special-forces-workouts/ 

https://en.wikipedia.org/wiki/ARB_(martial_art) 

https://nationalinterest.org/blog/buzz/russias-elite-spetsnaz-special-forces-devastated-ukraine-war-213488