and today, it happened on a military installation in our nation's capital. it's a shooting that targeted our military and civilian personnel. these are men and women who were going to work, doing their job, protecting all of us. they're patriots, and they know the dangers of serving abroad, but today, they faced the unimaginable violence that they wouldn't have expected here at home. >> horrific. the worst mass shooting at a u.s. military base since ft. hood, tragedy, since the ft. hood tragedy where major nidal hasan killed 13 individuals, wounded dozens ort others. 12 are dead here. there was a conspiracy, although one did not come to fruition, by violence at ft. dix.