doubled its firing range from 19 miles (30 km) to 37 miles (60 km). A similar effect was planned for self-propelled artillery. In the ERCA program, a series of successful tests were conducted ...

The Army is maturing technology for a cannon capable of firing hypervelocity projectiles ... own canceled Extended Range Cannon Artillery, or ERCA, system to inform the prototype's development ...

ERCA officials are also asking anyone with further information about the missing gates to contact the OPP at 1-888-310-1122 or report it anonymously through Windsor & Essex County Crime Stoppers ...