NAVAL STATION ROTA, Spain (Jan. 26, 2021) Master-at-Arms 3rd Class Timothy Isenberger waits for medical responders with a simulated victim during an active shooter drill at Naval Station Rota, Spain, Jan. 26, 2021. The purpose of this exercise is to validate the installation antiterrorism (AT) plan, preplanned responses (PPRs) and standard operation procedures (SOPs) for active shooter. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jacob Owen)