ARABIAN GULF (April 23, 2021) Sailors assigned to mine countermeasures ship USS Sentry (MCM 3) conduct a refueling operation with Royal Fleet auxiliary landing ship dock RFA Cardigan Bay (L 3009) during exercise Artemis Trident in the Arabian Gulf. Artemis Trident 21 is a multilateral mine countermeasures exercise between the UK, Australia, France and U.S., designed to enhance mutual interoperability and capabilities in mine hunting and clearance, maritime security and dive operations, allowing participating naval forces to effectively develop the necessary skills to address threats to regional security, freedom of navigation and the free flow of commerce. (U.S. Army photo by Spc. Evens Milcette Jr.)