FILE - This Nov. 12, 2012 file photo shows railroad investigators working the scene of an accident where four veterans were killed and 16 other people were injured when a train slammed into a parade ... more 
FILE - This Nov. 12, 2012 file photo shows railroad investigators working the scene of an accident where four veterans were killed and 16 other people were injured when a train slammed into a parade float carrying the returning heroes to a banquet, in Midland, Texas. Cheers of support from a crowd watching a parade to honor wounded veterans turned into screams of horror when a freight train rammed into a parade float carrying veterans and their families at a rail crossing in Midland, Texas, last year. Four veterans were killed and 16 other people injured in the collision. On Tuesday, the National Transportation Safety Board (NSTB) meets to determine what caused the accident and to make safety recommendations. (AP Photo/Juan Carlos Llorca, File) less 
1 / 28
Associated Press | Photo By Juan Carlos Llorca, File
Tue, Nov 5, 2013 3:24 AM EST