Foxtrot Alpha Tech and news from the world of modern defense. What may well be a small, one or two-person submarine and mothership has been sighted at a military base in Nampo, North Korea. The small submarines are allegedly meant to conduct suicide attacks on enemy ships, and their appearance could be part of a regular training cycle, or something more sinister. The ship is tied up alongside other Korean People’s Army Naval Force ships at the port of Nampo. It’s approximately 30 meters (about 98 feet) long. The vessel features a rectangular-shaped section in the stern that appears lower than the rest of the ship, casting a shadow. Inside that section, about 10 meters long, is a bullet-shaped object perhaps six or seven meters long. In March 2010, after the mysterious sinking of the South Korean Navy warship Cheonan that resulted in the deaths of 46 sailors, the Chosun Ilbo reported on the existence of “human torpedoes” in the arsenals of North Korea. These “human torpedoes” were reportedly elite combat swimmers trained to operate one or two person mini-submersibles known as SDVs, or SEAL delivery vehicles, to conduct suicide attacks against enemy ships. The “human torpedo” units were allegedly formed…