Steve Cass

Lieutenant Commander Steven Paul Cass (born July 1966) is a British Royal Navy officer. From 2013 to 2017, he was the Warrant Officer of the Naval Service (now Warrant Officer of the Royal Navy) and, therefore, the most senior rating of the Royal Navy. He is the first person from the Fleet Air Arm and the second person overall to hold the appointment. Since 2025, he has been captain of .

Early life Cass was born in July 1966, and is from Porthleven, Cornwall. In 1994, he was serving with 771 Naval Air Squadron. During this time, he was also president of the station's warrant officers' and senior rates' mess.

In July 2013, Cass was awarded the Meritorious Service Medal, receiving it from Vice Admiral David Steel in a ceremony in September. In December 2013, he was appointed Warrant Officer of the Naval Service (WONS). He was promoted to lieutenant commander on 1 October 2022. In 2025, he was appointed commanding officer of , the world's oldest naval vessel still in commission and the First Sea Lord's flagship.