Raytheon Technologies unit Collins Aerospace has launched a new solution called the Military Underwater Navigation System with M-Code (MUNS-M).

Claimed by the company to be the world’s first such solution, MUNS-M is a handheld diver navigation system developed under contract with the US Department of Defense (DoD).

Collins developed the MUNS-M solution in partnership with UK-based handheld underwater navigation products manufacturer Blue Print Subsea.

The device is designed ‘by divers for divers’ and for ease of use. The military underwater navigation system is neutrally buoyant and self-contained.

It provides the diver with accurate position and secured anti-jamming capabilities during underwater combat missions.

M-CODE is the military global positioning system (GPS) signal required by the DoD for military operations.

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It is designed to improve position, navigation and timing (PNT) capabilities, as well as enhance resistance to current and emerging threats such as jamming and spoofing to GPS.

Collins Aerospace Mission Systems principal account manager Adam Atkins said: “Military divers face dangerous, complex underwater navigation objectives that require precise positioning and secure anti-jamming capabilities.

“Our new MUNS-M system is specifically designed to meet the needs of the military diver community and perform in demanding combat environments.”

The upgraded GPS receiver consists of Selective Availability Anti-spoofing Module (SAASM) with Y-Code and C/A-Code functionality.

This GPS receiver increases mission effectiveness and safety through operation with the M-Code signal.

Navigation products manufactured by Blue Print Subsea support search-and-rescue operations and locate objects on the seabed.