US Army General John Nicholson, commander of US forces in Afghanistan, takes part in a press conference in Kabul on August 24, 2017.
Afghanistan has welcomed President Donald Trump's move to commit thousands more troops to America's longest war, reversing earlier pledges to pull out, but Taliban insurgents vowed to make the country a 'graveyard' for US forces. 
 / AFP PHOTO / SHAH MARAI        (Photo credit should read SHAH MARAI/AFP/Getty Images)