Task: Question Answering
Input (English): Context : The M24 Sniper Weapon System (SWS) is the military and police version of the Remington Model 700 rifle, M24 being the model name assigned by the United States Army after adoption as their standard sniper rifle in 1988. 
Question : What year did M24 Sniper Weapon System come into use?
Output (English): 1988