YUMA PROVING GROUND, AZ -- The Army used two different prototypes of the Extended Range Cannon Artillery at Project Convergence 21, one from the set that will be used for rapid fielding and one with a government-designed autoloader, service officials said Nov. 9. The ERCA prototypes were used in four of the seven scenarios the Army included in PC 21, Col. Cobb Laslie, chief of staff of the Long-Range Precision Fires Cross-Functional Team, told reporters during a visit to Yuma...
