- The US Army's sustainment model for permissive environments is inadequate for peer conflicts and multidomain operations.
- Historical lessons, like Germany's Operation Barbarossa, show that logistical overreach can nullify operational success.
- Recent conflicts, including Ukraine, reveal that modern sustainment nodes are vulnerable to precision strikes and drones.
- Key vulnerabilities include moving bulk fuel (Class III) and ammunition (Class V) at scale in contested environments.