Within the past few weeks I was invited to attend a major metropolitan training exercise to test the areas of responsibility for police and fire to work together during a mass-casualty incident or ongoing crisis. While the response to the training incident was relatively swift, much like we all watched in Orlando, I was able to sit and watch seconds become minutes, minutes build into hours, and hours drag on.
Source: The Killhouse Rules | THE TRADE
Simple and succinct, go read
Not only memorize the rules, make sure you are ready to implement.
Hat Tip Michael Bane.