The COSAL type "RSS" stands for what?

The term "RSS" in the context of the COSAL (Coordinated Shipboard Allowance List) stands for "Ready Service Spares." This designation is used to identify items that are crucial for the immediate operational readiness of equipment and systems on board a vessel. Ready Service Spares refer to those essential spare parts that are needed to ensure that systems can continue to function optimally without delays due to supply chain issues.

These spares are typically kept on hand to address urgent needs that arise during operations, thus enhancing operational efficiency and reducing downtime. By categorizing these items specifically as Ready Service Spares, it allows supply personnel to prioritize their availability and management, ensuring that the most critical parts are always accessible when required.

This emphasis on operational readiness is central to military logistics, as it directly supports mission effectiveness by reducing the time to restore critical systems in the event of failures or maintenance requirements.