Watch US Marines with the 3rd Marine Logistics Group, 9th Engineer Support Battalion show how they get into buildings. The most amazing part is when they blow a concrete wall while they all stand there in line, just protected by a ballistic blanket. These guys are nuts.
https://www.youtube.com/watch?v=k7Z8SqNfVSU&list=PL15KbAxfKZE2GLuGleeSpswg_UjJ_Imel
Watch the complete video here.
