Here's an interesting article on Ukrainian tactics:
Ukraine's military adapts tactics after enduring Russia's initial invasion
An outgunned but resilient Ukrainian military is adopting a two-prong strategy in the face of a flawed but fierce Russian assault, relying on hit-and-run tactics and the fortification of major cities as President Vladimir Putin's campaign enters a more perilous phase, military experts said.
By Dan Lamothe, Alex Horton and Karoun Demirjian
https://wapo.st/3twcuDd
Ukraine's military adapts tactics after enduring Russia's initial invasion
An outgunned but resilient Ukrainian military is adopting a two-prong strategy in the face of a flawed but fierce Russian assault, relying on hit-and-run tactics and the fortification of major cities as President Vladimir Putin's campaign enters a more perilous phase, military experts said.
By Dan Lamothe, Alex Horton and Karoun Demirjian
https://wapo.st/3twcuDd