After 168 days in space, Mark Vande Hei and Joe Acaba of NASA and Commander Alexander Misurkin of Roscosmos are scheduled to complete their mission on the International Space Station and return to Earth. Live coverage will begin on NASA-TV and www.nasa.gov on Monday, Feb. 26, with the change of command ceremony. Coverage will continue on Tuesday, Feb. 27, at 2:15 p.m, beginning with the farewell and hatch closing.