"Big rounds, that's all I know," one Special Operations soldier said.

"We're just all light infantry," another Special Operations soldier said.

Special Operations soldiers killed the brothers at the home.

Dozens of Special Operations soldiers are in two sites in the city itself.

Special Operations soldiers also take courses in friendly countries:

"The bottom line is that we can't seize terrain," said a Special Operations soldier.

"Two companies of light infantry attacked us," a Special Operations soldier said, referring to roughly 200 troops.

American Special Operations soldiers then requested close air support.

"These guys are tough," a Special Operations soldier said as night fell.

Special Operations soldiers peered through telescopic sights on their rifles and tried to find the source.