200305-N-KB401-1180 BEAUFORT SEA (March 5, 2020) U.S. Marines attached to Mountain Warfare Training Center go on a ski tour outside of 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)