PICATINNY ARSENAL, NJ -- Determining the doctrine needed to fight with the Extended Range Cannon Artillery will be as much of a focus as the technical changes from existing howitzers in an upcoming yearlong operational experiment, service officials told Inside Defense Sept. 15. “The technical changes, while they’re certainly dramatic, are not as great inside the platform,” Brig. Gen. Glenn Dean, program executive officer for ground combat systems, said in an interview after the christening ceremony for the first...