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www.sea-technology.com October 2015 / st 55 RHIMES to Protect Against Cyber Attack The U.S. Navy is developing the Resilient Hull, Mechani- cal, and Electrical Security (RHIMES) system, a cyber pro- tection system designed to make its shipboard mechanical and electrical control systems resilient to cyber attacks. RHIMES is designed to prevent an attacker from dis- abling or taking control of programmable logic control- lers, the hardware components that interface with physical systems on the ship. It relies on advanced cyber resiliency techniques to introduce diversity and stop entire classes of attacks at once. RHIMES introduces diversity via a slightly different implementation for each controller's program. In the event of a cyber attack, RHIMES makes it so that a differ- ent hack is required to exploit each controller. Nuclear Sub Contract For GD Electric Boat The U.S. Navy has awarded a $321.7 million contract option to General Dynamics Electric Boat to provide plan- ning yard work, engineering and technical support for nu- clear submarines. Electric Boat will provide design, engineering, material and logistics support, and research and development ac- tivities for active U.S. submarines and submersibles. Elec- tric Boat also will provide information services, planning, scheduling and technical support for submarine mainte- nance and modernization activities, training and facility support, and affordability/cost reduction support. ASV Joins Consortium On Unmanned MCM ASV has been enlisted as part of the Thales-BAE consor- tium to develop and deliver the frst complete operational unmanned mine countermeasures system, which seeks to offer a low-risk, robust and reliable solution into the UK/ French Maritime Mine Countermeasures (MMCM) require- ment. The program output will be two identical systems for evaluation against several predefned operational scenarios. Following an initial de-risking study, detail design has now begun. This frst stage comprising a design study prior to system build will run until the end of 2016. This will also involve working with the end-user to defne the requirement and place consideration on other external factors. Stages two and three will include the system manufacture and demon- strations. Federal Court Order Against Navy Training, Testing A federal court entered an order settling two cases chal- lenging the U.S. Navy's training and testing activities off the coasts of southern California and Hawaii, securing long- sought protections for whales, dolphins and other marine mammals. The settlement stems from the court's earlier fnding that the Navy's activities illegally harm more than 60 separate populations of whales, dolphins, seals and sea lions. For the frst time, the Navy has agreed to put impor- tant habitat for numerous populations off-limits to dangerous midfrequency sonar training and testing and the use of pow- erful explosives. The settlement aims to manage the siting and timing of Navy activities, taking into account areas of vital importance to marine mammals, such as reproductive areas, feeding areas, migratory corridors, and areas in which small, resident populations are concentrated. MUOS-4 Launched for Near-Global Satellite Coverage The U.S. Navy's fourth Mobile User Objective System (MUOS-4) satellite, built by Lockheed Martin, was launched in Florida in September. MUOS-4 will join a network of orbit- ing satellites and relay ground stations that is revolutionizing secure communications for mobile military forces. Users with operational MUOS terminals can seamlessly connect beyond line-of-sight around the globe and into the Global Informa- tion Grid. The addition of MUOS-4 completes the initial con- stellation and provides the MUOS network with near-global coverage, extending the reach of communications further to- ward the North and South poles than ever before. MUOS-4 will transition to reach its geosynchronous orbit location approximately 22,000 mi. above the Earth. The sat- ellite's solar arrays and antennas will then be deployed, and on-orbit testing will start for subsequent turnover to the Navy for test and commissioning to service. The MUOS-4 satellite joins a network that already in- cludes MUOS-1, MUOS-2 and MUOS-3. Once fully opera- tional, the network will provide 16 times the capacity of the legacy ultrahigh-frequency communications satellite system, which it will continue to support, and eventually replace. ST navy currents