(FILES) In this file photo US soldiers stand over the dead body of insurgent after a suicide attack in Maidan Shar, the capital city of Wardak province south of Kabul on September 8, 2013. - US President Joe Biden will formally announce on April 14, 2021 the withdrawal of all US troops from Afghanistan before this year's 20th anniversary of the September 11 attacks, finally ending America's longest war despite mounting fears of a Taliban victory, officials said. The drawdown delays only by around five months an agreement with the Taliban by former president Donald Trump to pull troops, amid a growing consensus in Washington that little more can be achieved. (Photo by SHAH MARAI / AFP)