1.   Several miles to the south, U.S. Abrams tanks and infantry ground forces were blinded by the thick smoke and were increasingly vulnerable to enemy counterattack.

2.   Senior officials rejected an experimental laser gun that temporarily blinds hostile forces.

3.   The Defense Department has produced a laser weapon for special operations teams that was designed with the capability of blinding enemy forces.

4.   He said they can be used either to blind enemy forces or to disable battlefield surveillance systems such as thermal sights.