YUMA PROVING GROUND, AZ -- The Army on Friday tested the new platform for its Extended Range Cannon Artillery program, shooting two projectiles 65 kilometers to demonstrate the future long-range capability for multidomain battle. Army Vice Chief of Staff Gen. Joseph Martin and other officials watched from a control room as operators shot first an Excalibur precision-guided round, which hit its target, an “uparmored” Chevy Suburban. They then shot an XM1113 rocket-assisted, high explosive round, missing its target by about...