From a New York Times story by Max Fisher headlined “What 70 Years of War Can Tell Us About the Russia-Ukraine Conflict”:

Any Russian invasion of Ukraine was long expected to play out as a kind of postmodern war, defined by 21st-century weapons like media manipulation, battlefield-clouding disinformation, cyberattacks, false flag operations and unmarked fighters.

Such elements have featured in this war. But it is traditional 20th-century dynamics that have instead dominated: shifting battle lines of tanks and troops; urban assaults; struggles over air supremacy and over supply lines; and mass mobilization of troops and of weapons production.