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Airborne Mine Neutralization Systems for MH-60S Helicopters


Raytheon awarded contract for low-rate initial production of the Airborne Mine Neutralization Systems (AMNS) used by MH-60S Seahawk as part of the Littoral Combat Ship MCM mission module


Airborne Mine Neutralization Systems for MH-60S Helicopters


Defense.gov, May 26, 2017 - Raytheon Integrated Defense Systems, Portsmouth, Rhode Island, is being awarded a $10,957,861 firm-fixed-price, cost-plus-fixed-fee contract to fabricate, assemble, test and deliver low-rate initial production Airborne Mine Neutralization Systems (AMNS) and engineering services and support.

The AMNS will explosively neutralize bottom and moored mines using an expendable mine neutralizer device.

The system will be deployed from the MH-60 helicopter as part of the Littoral Combat Ship mine countermeasures mission module.

This contract includes options which, if exercised, would bring the cumulative value of this contract to $58,123,265. Work will be performed in Portsmouth, Rhode Island, and is expected to be completed by May 2019.

Fiscal 2015, 2016 and 2017 other procurement (Navy) funding in the amount of $10,072,964 will be obligated at the time of award and will not expire at the end of the current fiscal year.

This contract was not competitively procured, in accordance with 10 U.S. Code 2304(c) (1).

The Naval Sea Systems Command, Washington, District of Columbia, is the contracting activity (N00024-17-C-6305).

AN/ASQ-235 Airborne Mine Neutralization System

Raytheon’s AMNS neutralizes moored and bottom mines while operating from sea- and land-based MH-60S helicopters. By using helicopters as a central platform, mine clearance has become safer.

Mines are first identified by the AN/ASQ-20A sonar system or other mine countermeasure assets. The AMNS then identifies the location of the mines and neutralizes the target. AMNS consists of the following removable mission equipment:

- Launch and Handling System (LHS)
- Common neutralizer vehicle
- Common console display
- Carriage, Stream, Tow and Recovery System

The mine neutralization begins with the deployment of the Launch and Handling System (LHS) from the MH-60S helicopter. Because it's compatible with MH-60S mechanical and electrical interfaces and supports easy on/off kit reconfiguration, the LHS is easily deployed from the aircraft. The highly effective LHS integrates many diverse high-tech capabilities into a single system, including a stable platform from which to launch the neutralizer vehicle.

The neutralizer vehicle is released from the LHS under the control of the sensor operator on the aircraft. The operator guides the lightweight (15.5 kg) and highly maneuverable vehicle to the target location using on-board sonar.

After the target is viewed and positively identified with an on-board video camera, the operator fires an armor-piercing warhead from the vehicle to neutralize the mine. The neutralizer's state-of-the art electronics and sensors also provide a robust, high-speed fiber optic data link, track responder and echo sounder. An inert unit with strobe light, acoustic beacon and recovery section is used for training.


This article is listed in :
Sikorsky s-70 H-60 in USUS Navy
Sikorsky MH-60S Seahawk
See also AN/ALQ-248 Pods for MH-60S and MH-60R

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