This undated photo provided by the U.S. Marines shows Cpl. Aaron Ripperda of Highland, Ill. Ripperda was killed with six other Marines in an explosion during a Nevada training exercise

 

              This undated photo provided by the U.S. Marines shows Cpl. Aaron Ripperda of Highland, Ill. Ripperda was killed with six other Marines in an explosion during a Nevada training exercise
This undated photo provided by the U.S. Marines shows Cpl. Aaron Ripperda of Highland, Ill. Ripperda was killed with six other Marines in an explosion during a Nevada training exercise on Monday, March 18, 2013. (AP Photo/U.S. Marines)