ARLINGTON, Va. — The Navy is planning on mine laying as the initial mission for the Orca extra-large unmanned underwater vehicle (XLUUV), a Navy official said.  “The XLUUV is a migration from the Echo Voyager from Boeing, with a mission module placed in the middle of it, to initially carry … Continue reading Navy’s Orca XLUUV to Have Mine-Laying Mission, Adm. Kilby says