Long-Term Mine Reconnaissance System

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 reconnaissance as much as 200 kilometers (120 mi) in advance of a host Los Angeles-, Seawolf-, or Virginia-class submarine.

Class overview
Name: AN/BLQ-11
Builders: Boeing Defense, Space & Security (BDS)
Operators:  United States Boeing
General characteristics
Type: Unmanned undersea vehicle
Displacement: 1,244 kilograms (2,743 lb))
Length: 6 m (20 ft)
Beam: 0.53 m (1 ft 9 in)
Height: 0.53 m (1 ft 9 in)
Propulsion: Thrusters
Endurance: 60 hours (nominal load)
Test depth: 1,000 m (3,300 ft)

LMRS is equipped with both forward-looking sonar and side-scan synthetic aperture sonar.

Boeing concluded the detailed design phase of the development project on 31 August 1999. In January 2006, USS Scranton successfully demonstrated homing and docking of an LMRS UUV system during at-sea testing.[1]


  1. Piggott, Mark O. (3 September 2006). "USS Scranton Completes Successful UUV Test". news.navy.mil. Archived from the original on 25 November 2006.


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