200305-N-KB401-2591 ARCTIC OCEAN (Jan. 1, 2020) Partner nation's flags fly over Ice Camp Seadragon during Ice Exercise (ICEX) 2020. ICEX is a biennial submarine exercise which promotes interoperability between allies and partners to maintain operational readiness and regional stability, while improving capabilities to operate in the Arctic environment. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael B. Zingaro/Released)