If you are interessed in official information abour Defender 2020, here the link to the website of the US Army Europe. https://www.eur.army.mil/DefenderEurope/

Here you can find the DEFENDER-Europe 20 Fact Sheet https://www.eur.army.mil/Portals/19/documents/DEFENDEREurope/DEFENDEREurope20Factsheet200224.pdf