By 1914, armies had adopted machine guns without understanding their full impact. One gun could match the firepower of 30 ...

For the first half of the 20th century, one of the most important firearms in the U.S. military arsenal was the water-cooled ...

At 10:59 a.m. on Nov. 11, 1918, a German machine gun crew fired a burst of rounds at approaching Americans. One bullet struck 23-year-old Pvt. Henry Gunther in the left temple. He died instantly.