10 April, 2017
The NATO-led Resolute Support Mission (RSM) said Sunday that the soldier succumbed to wounds from an operation a day earlier.
A USA military Special Forces soldier was killed while conducting an operation against Islamic State militants in Afghanistan.
The identity of the soldier, killed late on Saturday, was not revealed.
The soldier died of wounds sustained during a joint mission with Afghan forces in the eastern province of Nangarhar.
A U.S. soldier was killed during the counter-terrorism operations in eastern Nangarhar province of Afghanistan.More news: Misbah-ul-Haq to retire from internationals after West Indies tour
"We will always remember our fallen comrades and commit ourselves to deliver on their sacrifice", Nicholson added.
The U.S still has some 8,400 troops in Afghanistan.
But the group has been steadily losing territory in the face of heavy pressure from both United States air strikes and a ground offensive led by Afghan forces.
In a news conference last week, Salvin said the goal of the US counterterror mission in Afghanistan for 2017 was to eliminate the remaining Islamic State-affiliated pockets. He said five insurgents have been killed and dozens wounded.
The soldier is the first combat-related fatality in Afghanistan in 2017.