In December 2012 through January 2013 and December 2013 through January 2014, the Balloon Array for Radiation-belt Relativistic Electron Losses (BARREL) mission was also conducted under this program.
The Balloon Array for Radiation-belt Relativistic Electron Losses (BARREL) mission was conducted as part of this program during specific time periods: December 2012 through January 2013 and December 2013 through January 2014.