Long-Term Mine Reconnaissance System

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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: .53 m (1 ft 9 in)
Height: .53 m (1 ft 9 in)
Propulsion: Thrusters
Endurance: 60 hours (nominal load)
Test depth: 1,000 m (3,300 ft)

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.

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 (SSN-756) successfully demonstrated homing and docking of an LMRS UUV system during at-sea testing.[1]