GREAT LAKES, Ill. (May 4, 2021) Naval Station Great Lakes Police, Fire, and Emergency Services run the incident command post as part of Exercise Citadel Gale 21. Citadel Gale 21 is an annual disaster response and recovery exercise to prepare staff for potential impacts on infrastructure during and after a weather event. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brigitte Johnston)