Petty Officer 3rd Class Brayden Smith inspects a jet fuel sample in the USCGC Stone's (WMSL 758) aviation workshop off the coast of Uruguay on Feb. 1, 2021. The Stone's auxiliary department regularly inspects the purity of the cutter's fuel supply every day to ensure it is suitable for Coast Guard helicopters' safe flights. (U.S. Coast Guard photo by Petty Officer 3rd Class John Hightower)