•Weight: 52 kg•Hull Diameter: 21.3 cm•Vehicle Length: 1.5 meters•Depth Range: 4–200 meter (coastal model) or 1000 meter (1-km model)•Speed: 0.4 m/sec horizontal average•Endurance: Typically 30 days, depending on measurements and communication•Range: 1500 km•Navigation: GPS, magnetic compass, altimeter, subsurface dead reckoning•Sensor Package: Conductivity, Temperature, Depth•Communications: RF modem, Iridium satellite, ARGOS, Telesonar modem

•Weight: 60 Kg•Hull Diameter: 21.3 cm•Vehicle Length: 1.5 meters•Depth Range: 1200 meters•Speed: 0.4 m/sec horizontal average•Energy: Environmental (thermal engine)•Projected Endurance: 3-5 years•Projected Range: 40,000 km•Navigation: GPS, magnetic compass, altimeter, subsurface dead reckoning•Sensor Package: Conductivity, Temperature, Depth•Communications: RF modem, Iridium satellite, ARGOS