Bing found the following results
Joint Knowledge Online - JKO LCMS
RUN. HIDE. FIGHT.® Surviving an Active Shooter Event - English
Options for Consideration Active Shooter Training Video
- [PDF]
U.S. Army Garrisons
Active Shooter Preparedness: Options for Consideration
Active Shooter Awareness
Active Shooter Preparedness Products and Resources | CISA
Active Shooter Attack Prevention and Preparedness (ASAPP)
Antiterrorism Awareness: Reacting to an active shooter
Dealing with an active shooter | Article | The United States Army