1. The Culture of Military Innovation
2. Aerospace Security Project. (2022 September 1). Space environment: payloads launched by country . Aerospace Security. https://aerospace.csis.org/data/space-environment-total-payloads-launched-by-country/.
3. Albon C. (2022 April 6). Intelligence agencies accelerate use of commercial space imagery to support Ukraine. C4ISRNET . https://www.c4isrnet.com/battlefield-tech/space/2022/04/06/intelligence-agencies-accelerate-use-of-commercial-space-imagery-to-support-ukraine/.
4. Augustine, N. R. (1997). Augustine’s laws. American Institute of Aeronautics and Astronautics.
5. Barigazzi J. (2023 April 5). ). EU plan to buy Ukraine shells hits legal snag over who gets the money. Politico . https://www.politico.eu/article/eu-plan-ukraine-artillery-shell-155mm-war-russia-zelenskyy-putin/.