Original sentence: Cassini–Huygens download of the Iapetus flyby data was interrupted by a safing event.Hayabusa was placed in safe mode by mission control.Mars Global Surveyor was destroyed by incorrect solar orientation while in safe mode
Edited sentence: Cassini–Huygens download of the Iapetus flyby data was interrupted by a safing event September 10, 2007.Hayabusa was placed in safe mode by mission control on November 25, 2005.Mars Global Surveyor was destroyed by incorrect solar orientation after entering safe mode on November 2, 2006