Tug Boats assist the Royal Canadian navy auxiliary oil replenishment ship HMCS Protecteur (AOR 509) that had experienced an engine fire at sea. The ship returns to Joint Base Pearl Harbor-Hickam after receiving assistance from Hawaii-based USS Chosin (CG 65), USS Michael Murphy (DDG 112) and USNS Sioux (T-ATF 171). (U.S. Navy photo by Mass Communication Specialist 1st Class Jay M. Chu/Released)