The AN/BLQ-11 autonomous Unmanned Undersea Vehicle (formerly the Long-Term Mine Reconnaissance System (LMRS)) is a torpedo tube-launched and tube-recovered underwater search and survey unmanned undersea vehicle (UUV) capable of performing autonomous minefield

Naval mine

A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

 reconnaissance as much as 200 kilometres (124.3 mi) in advance of a host Los Angeles-

Los Angeles class submarine

The Los Angeles class, sometimes called the LA class or the 688 class, is a class of nuclear-powered fast attack submarines that forms the backbone of the United States submarine fleet. With 43 submarines on active duty and 19 retired, the Los Angeles class is the most numerous nuclear powered...

, Seawolf-

Seawolf class submarine

The Seawolf class is a class of nuclear-powered fast attack submarines in service with the United States Navy. The class was the intended successor to the , ordered at the end of the Cold War in 1989. At one time, an intended fleet of 29 submarines was to be built over a ten-year period, later...

, or Virginia-

Virginia class submarine

The Virginia class is a class of nuclear-powered fast attack submarines in service with the United States Navy. The submarines are designed for a broad spectrum of open-ocean and littoral missions...

class submarine.

LMRS is equipped with both forward-looking sonar

Sonar

Sonar is a technique that uses sound propagation to navigate, communicate with or detect other vessels...

 and side-scan synthetic aperture sonar

Synthetic aperture sonar

Synthetic aperture sonar is a form of sonar in which sophisticated post-processing of sonar data are used in ways closely analogous to synthetic aperture radar. Synthetic aperture sonars combine a number of acoustic pings to form an image with much higher resolution than conventional sonars,...

.

Boeing

Boeing

The Boeing Company is an American multinational aerospace and defense corporation, founded in 1916 by William E. Boeing in Seattle, Washington. Boeing has expanded over the years, merging with McDonnell Douglas in 1997. Boeing Corporate headquarters has been in Chicago, Illinois since 2001...

 concluded the detailed design phase of the development project on 31 August 1999.
In January 2006, USS Scranton (SSN-756)

USS Scranton (SSN-756)

USS Scranton , a , is the second ship of the United States Navy to be named for Scranton, Pennsylvania.The contract to build her was awarded to Newport News Shipbuilding and Drydock Company in Newport News, Virginia on 26 November 1984 and construction began on 29 August 1986. She was launched on...

successfully demonstrated homing and docking of an LMRS UUV system during at-sea testing.http://www.news.navy.mil/search/display.asp?story_id=22618