This is pure BULLSHIT, that's why it says " Possible " and not verbatim, because the President has the Constitutional authority to defend the country and Presidents have been blowing up foreign threats since forever, it's not illegal!
ARTICLE II, SECTION 3
The President of the United States holds significant constitutional authority to defend the country, particularly in the context of national security. The President is designated as the Commander in Chief of the Army and Navy and has the power to deploy military forces abroad when necessary to maintain the security and defense of the United States.