US defense R&D is tiny compared to total expenditure. It's also falling dramatically. https://www.defenseone.com/technology/2020/02/us-defense-rd-funding-falls

US defense R&D is tiny compared to total expenditure. It's also falling dramatically. https://www.defenseone.com/technology/2020/02/us-defense-rd-funding-falls-chinas-keeps-growing/163021/ https://www.defenseone.com/technology/2020/02/us-defense-rd-...