ATLANTIC OCEAN.
Royal Navy Trafalgar-class submarine HMS Trenchant and Royal Navy Wildcat HMA2, attached to Type 23 frigate HMS Iron Duke (F234) participate in a passenger exchange during exercise Saxon Warrior 2017, Aug. 5. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist Seaman Zachary Wickline/Released). Original public domain image from Flickr.