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Maritime & undersea: open SBIR/STTR topics

8 open or upcoming topics mention maritime & undersea, across 2 agencies. Matched by keywords in the topic title and description.

Bio-inspired Underwater Teams

Closes Oct 21, 2026 · 8d leftDepartment of War (DoD) · OSDSTTROSW26TZ06-NV008

Bio-inspired underwater vehicles have nearly matched the speeds and efficiencies of real fish.

DIRECT TO PHASE II: Minimally Invasive Remote Blood Collection Device for Free-Ranging Cetaceans

Closes Oct 21, 2026 · 8d leftDepartment of War (DoD) · NAVYSBIRDON26BZ06-DV088

Navy bottlenose dolphins are valuable Fleet assets whose health and well-being are essential to sustaining mine countermeasures, port security, and object recovery missions.

Monolithic Graphene–CMOS Broadband (UV-LWIR) Focal Plane Arrays for target detection in low-light conditions

Closes Oct 21, 2026 · 8d leftDepartment of War (DoD) · OSDSBIROSW26BZ06-DV027

The Navy continues to field multiple seeker technologies to detect, identify and engage targets in multi-domain operations through obscurants. However, you cannot detect something you cannot see.

Cleaner for the Time Domain Reflectometer Tank Level Indicator

Closes Nov 25, 2026 · 43d leftDepartment of War (DoD) · NAVYSBIRDON27BZ01-NV001

Fouling on the TDR sensor used for TLI is a persistent problem. The TDR is necessary to provide accurate and precise readings for fuel measurement.

Fire Resistant Joiner Bulkhead

Closes Nov 25, 2026 · 43d leftDepartment of War (DoD) · NAVYSBIRDON27BZ01-NV002

Fire represents a grave hazard to Navy vessels.

Input-Output Unit (IOU) for Secure Processing and Routing of Hull, Mechanical, & Electrical (HM&E) and Navigation Signals

Closes Nov 25, 2026 · 43d leftDepartment of War (DoD) · NAVYSBIRDON27BZ01-NV004

IOUs are used on all Navy DDG 51 class ships to transfer Steering Control, Machinery Control, and Damage Control signals, as well as Interior Communication Alarm and Indication, Synchro and Digital Navigation data.

Intermediate Temperature Cooling Unit

Closes Nov 25, 2026 · 43d leftDepartment of War (DoD) · NAVYSBIRDON27BZ01-NV005

Navy ships have a chilled water system that runs throughout the ship providing cooling to electronic equipment.

Underground or Underwater Robotics for Low-Visibility, Poor-Connectivity or Hidden Topography

Closes Jul 7, 2027 · 267d leftNational Science FoundationR5

SBIR.gov lists this topic without a description. Open the official solicitation for the full scope.

Past SBIR/STTR awards in maritime & undersea

Since 2021, SBIR.gov records 362 SBIR/STTR awards worth $210.4M here. Top agencies: Defense (327), National Science Foundation (12), Commerce (7), Homeland Security (6), Energy (6), Health and Human Services (3). Most frequent awardees: PHYSICAL SCIENCES INC. (7), SONALYSTS INC (7), BOSTON ENGINEERING CORPORATION (6), CHARLES RIVER ANALYTICS, INC. (6), DANIEL H WAGNER ASSOCIATES INC (6), RDRTEC INCORPORATED (6).

Source: SBIR.gov public award dataset, matched by keywords. Not an official classification.

Related areas: Sensors & sensing · Energy & power · Medical devices & diagnostics · Biodefense & chemical defense · Electronics & semiconductors

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