The Battle of Antietam rages—cannon fire lights the smoky sky, soldiers charge through blood-soaked fields. But amidst the chaos, two modern...

The Battle of Antietam rages—cannon fire lights the smoky sky, soldiers charge through blood-soaked fields. But amidst the chaos, two modern Men in Black stand impossibly still. Dressed in dark suits and sunglasses, untouched by the mud or time, they examine a smoldering crater with instruments that ...