SUBSURFACE OPERATIONS

BIFROST

Unlimited Underwater Endurance for Special Operations Divers

Every combat diver in JSOC, NSW, MARSOC, and Force Recon faces the same constraint: gas runs out. When it does, the mission ends — regardless of whether the objective is complete.

BIFROST eliminates that constraint entirely by harvesting breathable gas from the surrounding ocean. For the first time, a combat swimmer can remain submerged indefinitely without pre-staged gas supplies, surface support, or logistics coordination.

The operational implications: extended covert beach surveys, unlimited ship-bottom operations, subsurface infiltration routes that bypass every surface detection system, and diver-delivered payloads at ranges currently impossible.

CAPABILITIES

Covert Insertion

Zero acoustic, visual, or thermal signature. No bubble trail for sonar, no surface disturbance for FLIR. Combat swimmers become undetectable during subsurface transit.

Unlimited Duration

SOF dive missions currently limited to 4-6 hours by gas volume. BIFROST removes the gas ceiling. Mission duration limited only by the operator and scrubber — not supply.

Depth Advantage

Performance improves with depth. Enables sustained operations at depths that would rapidly deplete conventional rigs, opening new mission profiles for MCM and subsurface ISR.

Zero Logistics

No gas fills, no cylinders, no shore-side infrastructure. A SEAL platoon deploys with BIFROST and operates indefinitely from any coastline without resupply.

OPERATIONAL SCENARIOS

Extended Subsurface Infiltration

A SEAL platoon conducts a 14-hour subsurface approach to a hostile port facility. No SDV support, no surface craft. Operators enter the water 12 nautical miles offshore and arrive undetected, rested and mission-ready. Current systems: impossible beyond 4-6 hours.

72-Hour Covert Hydrographic Survey

A two-man dive team maps the seafloor approach to a denied harbor over 3 days, surfacing only for rest. No gas resupply, no support vessel loitering in hostile waters, no signature.

Unlimited Hull Operations

EOD divers conduct ship-bottom searches on anchored vessels for indefinite periods without time pressure. No emergency ascent because the clock ran out. The mission ends when the job is done.

vs. CURRENT SYSTEMS
Dräger LAR-V
MK-25 UBA
BIFROST
Weight
14 kg
30+ kg
< 12 kg
Max Duration
4 hours
6 hours
Unlimited*
Gas Supply
Finite (O2 cylinder)
Finite (mixed gas)
Continuous (ocean)
Depth
21m (O2 toxicity)
91m
Scales with depth
Signature
None (CCR)
None (CCR)
None
Logistics
O2 fills + soda lime
Gas fills + scrubber
Scrubber only

*Limited by CO2 scrubber endurance (3-6 hrs per canister) and operator physiology, not gas supply.

<12kgSystem Weight
0Signature
30m+Operating Depth
3-6hrPer Scrubber

STATUS

Architecture complete. In development under ITAR. Targeting AFRL/AFWERX SBIR Phase II. Designed for Naval Special Warfare, MARSOC, and any SOF element conducting subsurface operations.