Lele, A., 2011. "Virtual reality and its military utility," Journal of Ambient Intelligence and Humanized Computing 4 (1): 17-26 (doi: 10.1007/s12652-011-0052-4).
Rizzo, A., T. D. Parsons, B. Lange, P. Kenny, J. G. Buckwalter, B. Rothbaum, J. Difede, J. Frazier, B. Newman, J. Williams, and G. Reger, 2011. "Virtual Reality Goes to War: A Brief Review of the Future of Military Behavioral Healthcare," Journal of Clinical Psychology in Medical Settings 18 (2): 176-187 (doi: 10.1007/s10880-011-9247-2).
Ter Haar, R. 2005. "Virtual Reality in the Military: Present and Future." 3rd Twente Student Conference on IT, Enschede.
While not very technical, great for understanding VR use in military:
https://www.vrs.org.uk/virtual-reality-military/
More in-depth, but not technical:
https://science.howstuffworks.com/virtual-military.htm
