The Navy wants to use the Knifefish unmanned underwater vehicle as the long-term solution for hunting underwater explosives as part of the Littoral Combat Ship mine countermeasures mission package, the service's acquisition chief said last week. Sean Stackley, the assistant secretary of the Navy for research, development and acquisition, laid out the clearest path forward yet for the LCS's troubled anti-mine mission package following an April 6 hearing before the Senate Armed Services seapower subcommittee. The plan does not involve...