Extended Range Guided Munitions program cancelled They spent $600 million on a system that can put out 5 inch rounds with about 50 pounds of explosive at a rate of 10-16 rpm. Each round costs nearly $200k. Meanwhile they decommissioned all the Iowa class ships that can throw 34,000 pounds of ordinance per minute 28 miles at a similar degree of accuracy. They also had plenty of ordinance in storage. The US Navy has gone barking mad.