Add Yahoo as a preferred source to see more of our stories on Google. U.S. soldiers fire a 155mm artillery shell with an M777A2 howitzer at Grafenwoehr Training Area, Bavaria, Germany. (Spc. Elijah ...

Welcome back to The Daily Aviation for a feature on U.S. self-propelled artillery and armored warfare, from early experiments to modern systems like the M109 Paladin and M1 Abrams. Voice, text and ...