Next airing Tue Dec 8, 4:30 a.m. ET

Behind Enemy Lines

In Charkh, Afghanistan, a team of soldiers risks it all crossing into enemy territory to capture the Taliban. After a heated firefight on the Pengram River, U.S. forces enter Nashar ' a Taliban-controlled town. Staff Sgt. Ben Weston and his squad bait enemy fire in the unknown area, in the hopes of trapping enemy fighters. In this perilous situation, the soldiers almost run out of ammunition. Determined to hold their ground, they call in air support.