LAS VEGAS, NV - AUGUST 11: Capt. Dan Gregorich (C) and his sons Danny Gregorich, 2 (2nd L), and David Gregorich, 6, pose with guitarist Jason Hook (L) and drummer Jeremy Spencer (R) of Five Finger ... more 
LAS VEGAS, NV - AUGUST 11: Capt. Dan Gregorich (C) and his sons Danny Gregorich, 2 (2nd L), and David Gregorich, 6, pose with guitarist Jason Hook (L) and drummer Jeremy Spencer (R) of Five Finger Death Punch at Nellis Air Force Base as the band highlights its campaign to raise awareness about veterans suffering from post-traumatic stress disorder (PTSD), in part by launching the video "Wrong Side of Heaven," that deals with the subject on August 11, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) less 
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Getty Images | Photo By Ethan Miller / Getty Images
Mon, Aug 11, 2014 7:10 PM EDT