One of the arguments against hypersonic missiles has been their cost---at least $15 million per weapon, but panelists at a Monday discussion at the Hudson Institute on modular weapons said such costs may come down significantly. Modular, scalable, and relatively affordable hypersonic weapons are "within reach," said newly retired U.S. Air Force Col. Tim Fuhrman, the service's former senior materiel leader for adaptive weapons at Eglin AFB, Fla. "I think there's companies out there demonstrating this in unique areas of…
