Acquisition Information: No science data was collected from May 17, 2012 at 06:43:49 UTC until May 22, 2012 at 15:52:00 UTC.
The CALIPSO satellite payload was commanded to OFF on May 17, 2012 due to an increase in 10 and 100 MeV proton flux associated with an M class solar flare.
On May 21, 2012 at 12:43:00 UTC the payload was transitioned to SAFE mode to prepare for a return to Data Acquisition mode.
On May 22, 2012 at 15:52:00 the payload returned to Data Acquisition mode.