HMS Stirling Castle sailed from Birkenhead on 22nd October to begin sea trials, four months after transferring from the RFA to the RN. The ship, which will be based in Portsmouth, is the first dedicated mothership designed to support autonomous mine countermeasures systems. Purchased in early 2023, during her very brief initial seagoing career operating […] The post HMS Stirling Castle puts to sea for the first time since commissioning into the Royal Navy first appeared on Navy Lookout.