The president of Afghanistan has admitted that up to 45,000 members of the Afghan security forces have been killed since 2014.
Ashraf Ghani made the claims as peace talks between US officials and the Taliban are taking place in Qatar to end the almost two decade long war.
The United States invaded Afghanistan in the wake of the September 11 atrocities on the Twin Towers in New York, where the architect of the terrorist attack, Osama bin Laden, was based.
The war has drained US finances with Business Insider reporting the ongoing conflict is costing the American taxpayer $45 billion per year.
There are currently 16,000 US troops in the country - down from a high of 100,000 at the peak of the conflict.
Commonly referred to as 'The Graveyard of Empires', the Afghans have a history of repelling foreign invaders.
From the failed British invasion in the mid 1800s to the Soviet Union's attempt to conquer the country in the 1980s - which cost the lives of an estimated 15,000 troops - the Afghans have repeatedly driven foreign invaders from their land.
The US peace envoy, Zalmay Khalizad, landed in Qatar last week as negotiations intensified on a possible peace treaty.