Petty Officer 3rd Class Joshua Noz, a machinery technician assigned to Coast Guard Cutter Polar Star's auxiliary division, installs a fitting on a replacement steering pump in Polar Star's aft steering machinery room while underway in the Ross Sea near Antarctica, Jan. 9, 2015. Steering gear allows the conning officer and helmsman to control the ship while engaged in ice-breaking operations. (U.S. Coast Guard photo by Petty Officer 1st Class George Degener)