The United States Defense Secretary, Jim Mattis has said President Donald Trump has a made a decision on the United States' strategy for Afghanistan after a sufficiently rigorous review process.<br/><br/>Speaking in Amman, capital of Jordan, Mattis said he is satisfied with the process the Trump administration went through to formulate its new strategy for Afghanistan, but he declined to provide details. He said he will not talk about the policy until it is officially disclosed by the White House. Mr. Trump said on Saturday that his administration has decided how to deal with the 16-year war in Afghanistan.<br/><br/>After years of extensive support from the US and other NATO member nations, the Afghan military is still struggling to resist the Taliban, which recently made advances in Afghanistan and the Pakistan border region. <br/><br/>About 8,400 US troops and an estimated 5,000 NATO troops are in the country, serving primarily in advisory and training capacities. The United States also maintains a force in Afghanistan that is tasked with fighting terrorist groups, including Islamic State and al-Qaida.