The U.S. Coast Guard Cutter Polar Star (WAGB 10) is moored in San Francisco following the fourth phase of a five-year Service Life Extension Project at the Mare Island Dry Dock, LLC. in Vallejo, California, Aug. 18, 2024. The work completed was part of the in-service vessel sustainment program with the goal of recapitalizing targeted systems, including propulsion, communication, and machinery control systems, as well as effecting significant maintenance to extend the cutter’s service life. U.S. Coast Guard photo by Petty Officer 2nd Class Jeremy Burgess.