Bluefin-21 vs DUS V9975
Bluefin Robotics (General Dynamics) vs Demcon unmanned systems — specs, price, and data-backed comparison.

Bluefin-21
Bluefin Robotics (General Dynamics)
Not announced

DUS V9975
Demcon unmanned systems
Not announced
QUICK TAKE
- DUS V9975 offers the faster top speed (55.56 km/h vs 8.33 km/h).
SPECIFICATIONS COMPARED
| Bluefin-21 | DUS V9975 | |
|---|---|---|
| Company | Bluefin Robotics (General Dynamics) | Demcon unmanned systems |
| Category | Marine | Mobile-Robots |
| Price: | Not announced | Not announced |
| Weight | 750 kg | — |
| Speed | 8.33 km/h | 55.56 km/h |
| Battery Life | 1,500 min | Diesel (HVO100), 2000 l tanks |
| Connectivity | — | Dual 4G/5G LTE, Starlink, Iridium, Wi-Fi, AIS Class A/VDES, VHF/UHF |
| Software / AI | — | DEMCON Unmanned Mission Software, DEMCON Advanced Control System (DAC) autopilot, DEMCON Autonomy System; patented USV Dynamic Positioning |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the Bluefin-21 and the DUS V9975?
Bluefin-21 is made by Bluefin Robotics (General Dynamics), while DUS V9975 is made by Demcon unmanned systems. Bluefin-21 is a marine, while DUS V9975 is a mobile-robots.
Which is faster, the Bluefin-21 or the DUS V9975?
The DUS V9975 has the higher top speed at 55.56 km/h, compared to 8.33 km/h for the Bluefin-21.
