Forward repair and maintenance depots address a structural sustainment failure mode in high-intensity warfare: the inability of deployed forces to restore damaged or degraded equipment at operational tempo when repair pipelines remain optimised for rear-area or peacetime conditions. Under sustained attrition, the decisive variable is not only equipment loss but the speed at which damaged platforms can be recovered, diagnosed, repaired and returned to service. When repair cycles become longer than the rate of operational degradation, availability collapses, forcing commanders to divert transport capacity to evacuation, ration operational employment, and accept declining combat power. Distributed forward repair nodes mitigate this dynamic by compressing repair cycles, reducing transport exposure, and integrating maintenance prioritisation into joint logistics command structures and mobility corridors.