204th Security Forces Squadron To provide heavy weapons support for Air Expeditionary Forces. This unit has a wartime mission to deploy security forces to provide observation/listening posts, combat and reconnaissance patrols, screening posts, tactical defense forces, and mobile reserves; and in the absence of capable friendly forces, provide external Air Base Defense in a dismounted mode. Provide wartime security of deployed weapons systems and augment the base defense force. Provide sharpshooters who can use precision rifle fire in support of deployed base defense forces. Provide .50 caliber machine gun defensive fire in support of deployed defense forces. Provide Mk 19, 40 mm machine gun defensive fire in support of deployed defense forces The 204th is located on an Army post. Its members can focus solely on training for the future by providing its members with outstanding leadership and incorporating the most advanced training program ever put together for Force Protection.