A maritime blockade involves much more than just limiting fuel supplies. To successfully enforce a blockade, naval forces must conduct constant patrols and protect merchant vessels from various threats. This ongoing military activity requires the active use of specialized hardware and munitions to counter enemy ships, submarines, and aerial threats.
Specifically, defending against modern missile threats requires the deployment of high-tech interceptors and precision-guided munitions. These assets are often expensive and take time to manufacture. During intense periods of naval engagement, the rate of consumption for these specific weapon systems can lead to a rapid reduction in existing stockpiles.
While petroleum is critical for powering ships and aircraft, the logistics required to sustain a blockade also place immense pressure on other military resources. The simultaneous demand for fuel and the high rate of munitions usage during naval operations create a compounding effect on overall military readiness and hardware reserves. This situation forces military planners to manage multiple supply chain crises at once.