The House just passed the National Defense Authorization Act (NDAA), including a provision to authorize worldwide war, which has no expiration date and will allow this president — and any future president — to go to war anywhere in the world, at any time, without further congressional authorization. 

http://www.aclu.org/blog/national-security/house-passes-authority-worldwide-war

They have already been doing this since the Korean War, I mean conflict.