The 319th Security Forces Squadron is a military unit within the United States Air Force. It is primarily responsible for the protection of Air Force resources, personnel, and installations under its jurisdiction. The squadron's duties encompass law enforcement, security operations, emergency response, and force protection. The unit operates from Ellsworth Air Force Base in Rapid City, South Dakota, where it serves as part of the 28th Bomb Wing. Its mission is to ensure the safety and readiness of the base and its personnel for various contingencies, including defense against terrorism, cyber attacks, and other threats.