Capts. Keith Ropella and William Woityra shake hands at the completion of the change of command ceremony for the Coast Guard Cutter Polar Star (WGAB 10) in Vallejo, Calif., July 11, 2022. Polar Star, the nation’s only heavy icebreaker, deploys annually to Antarctica in support of the U.S. Antarctic Program and National Science Foundation. U.S. Coast Guard Photo by Ens. Katharina Commins.