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: Attacking equipment while it was in transit to the front lines. Reception and Perspectives
: Some historians, such as those on WW2Talk , argue that O'Brien underestimates the psychological and physical necessity of land armies to actually "kill the will" of the enemy and occupy territory.
: He argues that land battles were relatively minor in terms of equipment losses and that the Red Army primarily engaged in a war of personnel, while the Anglo-Americans conducted the decisive high-tech material war. Phases of Attrition
: O'Brien defines the true conflict as a thousand-mile-long air-sea "super-battlefield" where the Allies used their industrial might to inhibit Axis movement.
In , Phillips Payson O'Brien presents a revisionist history that challenges the idea that massive land battles like Stalingrad or Kursk were the primary drivers of Allied victory.
: The book highlights that the vast majority of military production for all major belligerents—including Germany—was devoted to air and sea warfare rather than land forces. For instance, air and sea weapons accounted for at least two-thirds of German weapons production.