Marines drop ordnance as part of a live-fire exercise.
FSA Bombs Barrier Housing in Idlib
Another video showing multiple views of the attack previously uploaded titled "Rebels Blow Up Huge Housing Barrier". The first clip starts at the 10 second mark followed by another angle at the 25 second mark. In the second clip, you can see that they appear to use a VBIED, aka suicide car bomb, to carry out the attack. Original description: Syrian rebels (in this case they appear to be al-Qaeda) blow up a housing barrier in Idlib. 03/12/2013.