This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Exercise Citadel Shield NFI. en Firefighters saw through an eightinch thick concrete wall during technical rescue drill at Naval Station Norfolk This drill was joint effort between base emergency response medical and firefighting units in preparation to respond to any future terrorist threats Navy photo by Mass Communication Specialist