Photo gallery: Afghan hospital bombing

An employee of Doctors Without Borders walks inside the charred remains of their hospital after it was hit by a U.S. airstrike in Kunduz, Afghanistan.

In this Friday, Oct. 16, 2015 photo, an employee of Doctors Without Borders stands inside the charred remains of their hospital after it was hit by a U.S. airstrike in Kunduz, Afghanistan.

Christopher Stokes, second left, general director of Doctors Without Borders, and his colleague stand at the gate of the group’s hospital as an Afghan army vehicle guards the area in Kunduz, Afghanistan, on Oct. 15, 2015.

Afghan employees of a Doctors Without Borders hospital move debris from its damaged gate in Kunduz, Afghanistan, on Oct. 15, 2015.

An Afghan National Army soldier stands guard at the gate of a Doctors Without Borders hospital after U.S. troops left the area in Kunduz, Afghanistan, on Oct. 15, 2015.

A wounded staff member of Doctors Without Borders, survivor of the U.S. airstrike on the group’s hospital in Kunduz, Afghanistan, is treated at a hospital in Kabul on Oct. 6, 2015.

A wounded staff member of Doctors Without Borders, survivor of the U.S. airstrike on the group’s hospital in Kunduz, Afghanistan, is treated at a hospital in Kabul on Oct. 6, 2015.

Army Gen. John Campbell, commander of the Resolute Support Mission and United States Force-Afghanistan, testifies before the Senate Armed Services Committee in Washington on Oct. 6, 2015.

Army Gen. John Campbell, commander of the Resolute Support Mission and United States Force-Afghanistan, testifies before the Senate Armed Services Committee in Washington on Oct. 6, 2015.