UPG Offers Airdrop-Capable Submarine
Underwater Projects Group (UPG), part of the Singapore-based faculty of the University of Illinois at Urbana-Champaign, is developing an airdrop-capable un

Underwater Projects Group (UPG), part of the Singapore-based faculty of the University of Illinois at Urbana-Champaign, is developing an airdrop-capable underwater vehicle. The Trident Mk1 is said to be modular, allowing several kinds of payload to be accommodated. Either thrusters or water jets, both vectoring, power it.