Aldridge said the test in Nevada involved dropping a laser-guided bomb into a tunnel and exploding it with a delayed fuse.

CNN: Pentagon to use new bomb on Afghan caves

Pentagon sources said the attacks were carried out by an Air Force F-16, which dropped a laser-guided bomb, and a B-1 bomber, which dropped a 2, 000-pound satellite-guided bomb, or JDAM.

CNN: Taliban say Omar safe, deny strike hit leadership compound