1. The HUMINT Offensive from Putin's Chekist State
2. Axe D. “’Blinded’ Every A-50 Radar Plane the Ukrainians Shoot Down Opens a Gap in Russian Radar Coverage—A Gap The Ukrainians Can Exploit” Forbes 24 February 2024a. https://www.forbes.com/sites/davidaxe/2024/02/24/blinded-every-a-50-radar-plane-the-ukrainians-shoot-down-opens-a-gap-in-russian-radar-coverage-a-gap-the-ukrainians-can-exploit/?sh=744fbcb717ee.
3. BBC “Ukraine Invasion: Kyiv Imposes Curfew Amid Sabotage Fears.” BBC News 26 February 2022 https://www.bbc.co.uk/news/world-europe-60539122
4. Clark, D. D., and S. Landau. “Untangling Attribution.” In Proceedings of a Workshop on Deterring Cyberattacks: Informing Strategies and Developing Options for U.S. Policy, 25–40. Washington DC: National Academies Press, 2010.
5. Grey is the new black: covert action and implausible deniability