Laura Whitmore, a chemical oceanographer from the International Arctic Research Center, collects a water sample from a conductivity, temperature and depth (CTD) sensor while aboard U.S. Coast Guard Cutter Healy (WAGB 20) on Sep. 17, 2023. The Healy is deployed to the Arctic region to support operational and environmental research. (U.S. Department of Defense photo by Sgt. Carter Acton)