On March 10, Expedition 42 Commander Barry Wilmore of NASA handed over command of the International Space Station to NASA astronaut and Expedition 43 commander Terry Virts. The next day, Wilmore and Alexander Samokutyaev and Elena Serova of the Russian Federal Space Agency undocked from the station aboard a Soyuz spacecraft. Several hours later the trio landed safely in Kazakhstan – completing 167 days in space since launching in September 2014. Also, One-year ISS crew trains, Bolden testifies on budget, SLS booster firing test, Magnetospheric Multiscale mission underway, Space habitat technology, Ocean on Jovian moon? And more!