In the 1950s, the U.S. Navy developed the Mk-33 "Katie" nuclear artillery shell for these ships, a 16-inch nuclear shell comparable in yield to the bombs dropped on Hiroshima.

Smoke billows, and the ground shakes as a howitzer cannon roars to life, launching a 155-millimeter shell into the sky. But this is no ordinary artillery shell—this is the Ramjet 155, a ...

A shipment of 155mm artillery shells used by the Israeli army is transported on a truck along a highway between the Jerusalem and Beersheba in southern Israel on October 14, 2023.

To keep Ukraine’s artillery crews supplied, the Pentagon set a production target last year of 100,000 shells per month by the end of 2025. Factories in Scranton and Wilkes-Barre, Pa., together ...