BEAUFORT SEA (March 12, 2022) The Los Angeles-class fast-attack submarine USS Pasadena (SSN 752) breaks through the ice in ICEX, which happened concurrently with Arctic Edge 2022, March 12, 2022. Arctic Edge is a U.S. Northern Command biennial defense exercise designed to demonstrate and exercise the ability to rapidly deploy and operate in the Arctic. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Trey Hutcheson)