The Joint Staff has approved the capabilities development document for the Navy's future frigate, as critics of the ship advocate for slowing down its procurement. During a Dec. 1 Senate Armed Services Committee hearing on the Littoral Combat Ship , Navy acquisition chief Sean Stackley revealed the CDD for the frigate had been approved by the Joint Requirements Oversight Council. The service plans to release a request for proposals for production of the ship next summer, Stackley said. The frigate...