The crew was awakened at noon EDT. The 13 crew members aboard Discovery and the International Space Station will enjoy off-duty time beginning about 3 p.m. before fielding questions from reporters during a joint crew news conference at 8:54 p.m.
Mission specialists Danny Olivas and Christer Fuglesang installed a new ammonia tank on the International Space Station and stowed a depleted tank for return to Earth during their mission's second spacewalk.
Mission Specialist Patrick Forrester served as the intravehicular officer throughout the spacewalk, which ended Friday at 12:51 a.m. EDT. Shuttle Pilot Kevin Ford and Expedition 20 Flight Engineer Nicole Stott operated the station's robotic arm, Canadarm2, during the excursion.
The remaining shuttle and station crew members continued unloading cargo from the Leonardo multi-purpose logistics module.