Ottawa firefighters using the The Fire Fighter Accountability and Scene Tracking (FFAST) system. It allows the Command and Accountability Officer to track the assignment of firefighters at a Hot Zone. It is seen here deployed on the morning of 23 September 2017 during a fire at Administration B building of Canada Post Headquarters.
<a href="//commons.wikimedia.org/wiki/User:Dvermeirre" title="User:Dvermeirre">Dvermeirre</a>
<span class="int-own-work" lang="en">Own work</span>