It’s not always a good idea to open doors the regular ‘ole civilian way. Sometimes, a closed door conceals a threat that must be eliminated. Other times, the door is simply locked. Whatever the reason, the Marines have a fool-proof way to get inside–blow the door straight off its hinges.
To breach a door, service members place explosive charges on the door and take cover behind a breach blanket while the charges detonate. Marines with 3rd Marine Logistics Group, 9th Engineer Support Battalion demonstrate this technique in the video below.