Small/Medium Unmanned Undersea Vehicles

Abstract

Small and Medium Unmanned Undersea Vehicles (UUVs) are a segment of the Navy's Family of UUVs defined as having a diameter between 3 inches and 10 inches for small UUVs and a diameter of 10 inches to 21 inches for medium UUVs. The UUVs can be launched by submarines, surface ships, or larger UUVs, and can be recovered by surface ships and submarines. This class of UUVs can have one or more types of sensors to perform multiple missions including Intelligence Preparation of the Operational Environment (IPOE), battlespace awareness, and mine warfare. Multi Mission Small UUV Program - This Small Class Unmanned Undersea Vehicle program will field a light-weight, highly portable and mission configurable UUV for use by the Navy Explosive Ordnance Disposal (EOD), Naval Special Warfare (NSW), Submarine UUV Squadron (UUVRON), the Naval Oceanographic Community (NMOC), and United States Marine Corps operators. The program will deliver a baseline UUV capability and implement an incremental development approach, including phases for prototyping, integration, demonstration and fielding of Small Diameter UUVs to integrate with mission packages from each community. Surface Mine Countermeasures Unmanned Undersea Vehicle (SMCM UUV) - The Knifefish program develops advanced medium class UUVs to support clandestine mine detection capability against volume, bottom, and buried mines. Equipment includes vehicles and associated systems support equipment. In parallel, Block Upgrade design efforts aligned to Fleet needs are ongoing to support insertion of incremental capability when the technology is ready. Planned Block Upgrade candidates being considered include increased detection range capability, communications upgrades, on-board sonar processing and target recognition, command and control improvements, increased operational depth, and other smaller tasks, as well as future payloads as required. Littoral Battlespace Sensing - Autonomous Undersea Vehicle Submarine Variant (LBS-AUV(S)), also known as Razorback, is a medium class UUV capable of persistent, autonomous, ocean sensing and data collection in support of Navy Intelligence Preparation of the Operational Environment (IPOE) mission. Razorback is deployed from host submarines in two variants: from the Dry Deck Shelter (DDS) or from the torpedo tube. The DDS deployed Razorback variant has been procured beginning in FY17 with Fleet operational deployments beginning in FY20. Development of requirements and submarine integration efforts commenced in FY 2019 for the torpedo tube launch and recover (TTL&R) variant, which will be competitively sourced to industry by FY21. In order to deploy Razorback, or other small or medium class UUVs from a host submarine platform with sufficient endurance to perform a desired mission, high energy density sources such as lithium ion batteries are used. Consequently, safety is paramount and mitigation systems must be in place to prevent or stop a high energy casualty event. SAFECAP is being developed as an active mitigation strategy that includes a shock qualified capsule that aides in the launch and recovery of small and medium sized vehicles through the torpedo tube. It also contains a Battery Casualty Detection System that constantly monitors battery health and status, providing early warning signs of a battery short via an alarm. In the event of a casualty, the capsule and vehicle portion of SAFECAP are flooded via the fire hose connections and the event is extinguished. MEDUSA is a medium class UUV capable of offensive mining capabilities deployed from a submarine. It may potentially carry other advanced payloads in the future to meet additional mission needs. MEDUSA features torpedo tube launch capability, long range, high payload placement accuracy, and can handle heavy payloads. A prototype system will be demonstrated in FY20 using dummy payloads via an in-water launch from a host submarine. Lessons learned from the prototype and demonstration will inform a competitive award to Industry in FY23 to develop and produce tactical systems. The MEDUSA prototype and Industry variant differ from the Razorback Torpedo Tube Launch and Recovery (TTL&R) variant in size (MEDUSA is approximately 21 inches in diameter, impulsed from the torpedo tube, and expendable once the payload is deployed). Razorback TTL&R is expected to be less than 15 inches in diameter, launch and recover from the torpedo tube, and be capable of swappable payloads to conduct a variety of missions.

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Document Details

Document Type
R2 Budgetary Justification
Publication Date
Oct 01, 2021
Source ID
0604028N_4_1319_PB_2021
Change Summary Explanation
Program Changes: FY 2019 - -$655K Small Business Innovation Research (SBIR) FY 2020 - +$14,734K Congressional action: Navy requested transfer from OPN line 30 for MCM UUV UON FY 2021 - -$49K Miscellaneous reductions Technical: Not applicable. Schedule: Not applicable.
Service Agency Name
Navy

Entities

Organizations

  • United States Navy

Tags

Communities of Interest

  • Air Platforms
  • Autonomy
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acquisition
  • Autonomous Underwater Vehicles
  • Cognitive Systems Engineering
  • Command And Control
  • Contracts
  • Cost Analysis
  • Lessons Learned
  • Lithium Ion Batteries
  • Littoral Combat Ships
  • Product Development
  • Systems Engineering
  • Target Recognition
  • Test And Evaluation
  • Torpedo Tubes
  • Underwater Vehicles
  • Unmanned Underwater Vehicles
  • Warfare

Readers

  • Maritime and Naval Warfare Studies
  • Unmanned Aerial System (UAS) Autonomous Capabilities and Mission Reconnaissance.

Technology Areas

  • Autonomy
  • Fully Networked C3
  • Fully Networked C3 - Command and Control

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