1. Michael, F.: Unmanned combat air vehicles: opportunities for the guided weapons industry? Occasional Paper, Royal United Services Institute for Defence and Security Studies, September 2008
2. Zeng, P., Hua, L., Liang, X., Chen, J., et al.: Research progress of UAV swarms technology of DARPA. Military Abstracts (3), 23–27 (2020)
3. Wang, X., Li, D., Lu, W., et al.: Battle case analysis and combat research of UAV swarms. Ship Electron. Eng. 40(11), 16–19+57 (2020)
4. Niu, Y., Xiao, X., Ke, G.: Combat drones swarms concept and key technology analysis. J. Natl. Defense Sci. Technol. (5), 7 (2013). https://doi.org/10.3969/j.iSSN.1671-4547.2013.05.007
5. Fuller, A., Fan, Z., Day, C., et al.: Digital twin: enabling technologies, challenges and open research. IEEE Access 8, 108952–108971 (2020)