NASA astronauts Sunita "Suni" Williams, Don Pettit, Nick Hague, and Barry "Butch" Wilmore shared a holiday greeting from the ISS.

The transition team has been grappling with an agency that has a superfluity of field centers—ten spread across the United States, as well as a formal headquarters in Washington, DC—and large, slow-moving programs that cost a lot of money and have been slow to deliver results.