SLS-207 · UUV
Backeddy
Deep-loiter sentinel UUV. Where Sounder surveys and moves on, Backeddy sits deep and quiet for weeks — a 1,000-meter-rated loiter specialist carrying the Resonance acoustic array to watch the chokepoints that matter.
Backeddy is built around patience: an energy-harvesting hibernation duty cycle lets it hold on the bottom or in the water column for multi-week dormancy, waking to listen and report. The pressure hull is rated to 1,000 meters.
As the primary host for the Resonance passive acoustic payload, Backeddy hears propeller cavitation at standoff range and reports by burst, low-probability-of-intercept uplink to the Tidefall command layer — only when cued, never continuously.
Detailed design is in work through 2026, including composite hull trade studies.