Even in an era of staggering weapons costs, the price tag for a Tomahawk stands out because it’s only used once. So, is the Tomahawk worth well over $1 million a shot?/…/ “They are expensive rounds, but they give you the potential to attack heavily defended targets up front,” said Barry Watts, a senior fellow at the Washington, D.C.-based Center for Strategic and Budgetary Assessments. “How do you value not putting a bunch of pilots in harm’s way?”