What participant in Operation Phantom Linebacker currently has about 17,000 soldiers, 10,000 of whom are stationed in South Korea? 
Operation Phantom Linebacker: Operation Phantom Linebacker was a coalition military operation in Iraq designed to interdict anti-government fighters from entering Iraq from Syria. 2nd Infantry Division (United States): The 2nd Infantry Division ("Indianhead"; "2ID," "2nd ID", or "Second D") is a formation of the United States Army.
i don't know