LI 5661 - Submarine Training Device Mods is a Navy budget line item under Other Procurement, Navy, supporting Ordnance Support Equipment for expendable ordnance. The primary goal of this program is to procure, install, and deliver advanced training devices to eight Submarine Training Facilities. These devices ensure submarine crews receive high-fidelity training across Hull, Mechanical, and Electrical (HM&E), Engineering, Navigation, and Combat Control System domains. Training devices support basic through advanced seamanship and operational skills and are regularly modernized to maintain compatibility with current fleet equipment and to implement Trainer Enhancement Changes (TECs) as directed by Fleet Type Commanders.
P40A / Submarine Training funds the procurement and modernization of training devices to keep pace with fleet operational equipment and implements TECs to enhance training systems. The program is divided into five functional areas: HM&E Trainers, Engineering Trainers, Navigation Trainers, Combat Control Acoustic Trainers, and Submarine Attack Center Trainers. Each area addresses specific training needs identified by the Submarine Learning Center (SLC) and approved by Fleet Type Commanders. The objective is to support readiness for all submarine mission sets.
P40A / TD 100 HM&E TRAINERS focuses on procuring and upgrading HM&E Fleet and Team Trainer Technical Training Equipment, including Ship Control Operator Trainers, Fire Fighting Trainers, Pressurized Submarine Escape Trainers, and Damage Control Wet Trainers. The line also supports configuration changes for the Submarine Multipurpose Reconfigurable Training System, including 3D trainers for various submarine systems. Planned funding supports procurement of Firefighting Trainer equipment suites and upgrades to simulator atmosphere control equipment and instructor stations, ensuring trainers reflect the latest operational requirements.
P40A / TD200 ENGINEERING TRAINERS provides for the procurement and installation of Nuclear Propulsion Plant Fleet Interactive Display Equipment trainers, Virtual Fleet Training Devices, and associated curricula and training materials. These trainers are required to deliver advanced shore-based nuclear operator training, supporting multiple ship classes and configurations. Planned funding includes procurement of Submarine Basic Maintenance Course labs and training devices, as well as virtual reality training equipment, all of which are critical to sustaining nuclear maintenance and operator proficiency.
P40A / TD 300 NAVIGATION TRAINERS supports the acquisition of navigation training devices that emulate surfaced and submerged submarine characteristics, such as Virtual Reality Submarine, Submarine Piloting and Navigation Trainers, and Periscope Simulation. Funding adds procurement and delivery of Columbia Class trainer equipment to support crew certification and deployment events for Columbia readiness. The line also includes modernization kits for Submarine Bridge Trainers and Safety of Ship Trainer kits for SSBNs, ensuring navigation trainers remain current with fleet needs.
P40A / TD 400 COMBAT CONTROL ACOUSTIC TRAINERS funds the procurement of Submarine Common Operational Analysis and Employment Trainer, Sonar Employment Trainer, and Beam Forming Sonar Simulation Trainers. These trainers provide acoustic operator and team training for fleet requirements, supporting advanced sonar employment and supervisor courses. Procurement focuses resources on pipeline and accession training as directed by TYCOM, and the line also supports cyber security, technical support, and integration of new sensors for training devices.
P40A / TD 500 ATTACK CENTER TRAINERS and P3A / Submarine Attack Center Modifications fund the Submarine Multi Mission Team Trainer and associated modernization efforts. These trainers simulate all aspects of submarine approach, attack, and surveillance operations, matching shore-based configurations to fleet tactical builds. Planned efforts include procurement of Submarine Attack Center modernization, hardware and software upgrades for attack centers, and additional technical support for new capabilities such as Large Vertical Array integration. These efforts support crew certification, pre-deployment training, and advanced battle problem exercises.