Get the CuriosityStream x Nebula bundle deal for just 14.79 https://curiositystream.com/realengineering New streaming platform: https://watchnebula.com/ Vlog channel: https://www.youtube.com/channel/UCMet4qY3027v8KjpaDtDx-g Patreon: https://www.patreon.com/user?u=2825050&ty=h Facebook: http://facebook.com/realengineering1 Instagram: https://www.instagram.com/brianjamesmcmanus Reddit: https://www.reddit.com/r/RealEngineering/ Twitter: https://twitter.com/thebrianmcmanus Discord: https://discord.gg/s8BhkmN Get your Real Engineering shirts at: https://standard.tv/collections/real-engineering Credits: Writer/Narrator: Brian McManus Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1) Animator: Mike Ridolfi (https://www.moboxgraphics.com/) Sound: Graham Haerther (https://haerther.net/) Thumbnail: Simon Buckmaster https://twitter.com/forgottentowel References: [1] https://www.jstor.org/stable/25778441 [2] Field Manual Headquarters No. 3-22.37 Javelin [3] https://www.theatlantic.com/ideas/archive/2022/03/american-volunteer-foreign-fighters-ukraine-russia-war/627604/ [4] https://journals.sagepub.com/doi/abs/10.1177/1464420717753233 Select imagery/video supplied by Getty Images Thank you to AP Archive for access to their archival footage. Music by Epidemic Sound: http://epidemicsound.com/creator Songs: Thank you to my patreon supporters: Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Thomas Barth, Johnny MacDonald, Stephen Foland, Alfred Holzheu, Abdulrahman Abdulaziz Binghaith, Brent Higgins, Dexter Appleberry, Alex Pavek, Marko Hirsch, Mikkel Johansen, Hibiyi Mori. Viktor Józsa, Ron Hochsprung