A contractor and a Coast Guard Cutter Polar Star crewmember assess progress being made reassembling the cutter’s port side hub while the cutter undergoes extensive repairs at a dry dock facility in Vallejo, Calif., Oct. 3, 2018. The cutter’s port hub was replaced due to heavy wear and damage sustained during the cutter’s 2018 Antarctic mission supporting Operation Deep Freeze 2018. Coast Guard photo by Petty Officer 1st Class Matthew S. Masaschi.