What is staged resupply in military operations?

Staged resupply is a military logistics system designed to sustain forces by moving supplies through a series of intermediate depots, magazines, or bases rather than relying on a single, direct line from the ultimate source to the consumer.1

Historically, this system relied on a chain of supply points—such as the Prussian Etappen system—where goods were shuttled forward to support troops. In practice, the system involves:1

• Forward Stocking: Reserves are positioned as far forward as is safe and practicable to ensure immediate access to ammunition, food, and fuel.1
• Accumulation: Before major operations, large quantities of material are built up close behind the front lines to maintain momentum.1
• Administrative Zones: Behind the front, a complex network of depots, repair shops, and transport hubs manages the flow of supplies from rear sources to the combat zone.1

While effective for stationary or slowly advancing forces, the system often struggled to keep pace with rapid mechanized movement, as seen in both World Wars. Modifications, such as using prepositioned dumps or floating warehouses, have been employed to adapt the system to different theaters of operation.1