LDUVV, you see, is a remote control, or RC, submarine. LDUUV spells what? The Navy's been working on building this RC submarine for more than two years now (and we've been tracking it all the way).

Source: U.S. Navy. The article RC Submarines Are the U.S. Navy's Newest Toys originally appeared on Fool.com. Rich Smith does not own shares of, nor is he short, any company named above.