South Carolina Expedition Against Friendly Nation (SEEN) is a military operation conducted by the United States Armed Forces in South Carolina against a friendly nation. The purpose of the expedition is to defend the state from a foreign force. The expedition may involve air, ground, and/or maritime operations. It is usually conducted in response to an attack or threat of aggression by a foreign nation. Types of South Carolina Expedition Against Friendly Nation include: — Joint Force Air Component Expedition: This expedition is conducted by the US Air Force in South Carolina to defend the state against a foreign force. This may involve air-to-air combat, air-to-ground combat, or other aerial operations. — Joint Force Land Component Expedition: This expedition is conducted by the US Army in South Carolina to defend the state against a foreign force. This may involve ground combat, air-to-ground combat, or other ground operations. — Joint Force Sea Component Expedition: This expedition is conducted by the US Navy in South Carolina to defend the state against a foreign force. This may involve maritime combat, amphibious operations, or other naval operations.