A Pentagon test group is eyeing these ballistic ball and patrol caps for troops

Military units will soon begin testing a new ballistic cap developed by a trauma surgeon. Kelsey Baker/Business Insider Some US military units may soon be able to test out ballistic ball caps, a Pentagon contractor said. The hats have the potential to increase protection for some troops, as well as law enforcement. Military units have expressed interest in testing the hats after a fatal attack last year. Some US service members could soon get their hands on a new piece of protective equipme...