Triton 1M Swimmer Delivery Vehicle SDV Project 907 Russian Soviet Pascagoula UFO
Pascagoula’s “swimming” UFO,, left, compared to a Soviet Project 907 Triton 1M Swimmer Delivery Vehicle (SDV). Some 30 of these were operational in the Soviet Red Banner fleet in the 1970s. The two Pascagoula fishermen encountered the craft while it was directly across from the shipyard