CSIS: The Air and Missile War in Nagorno-Karabakh: Lessons for the Future of Strike and Defense
An analysis from CSIS on aspects of the recent fighting between Azerbaijan and Armenia. There is some outstanding analysis in open sources as well, which highlighted the effect airpower in particular can have on poorly prepared conventional forces.
Full Article: https://www.csis.org/analysis/air-and-missile-war-nagorno-karabakh-lessons-future-strike-and-defense