Unexplained lyrics

At astounding speed a ship appears Upon our radar's eye Four armored birds will soon engage Something unidentified Evasively it turns on them The rest is classified Vanishing without a trace In the north dakota sky It's unexplained, it's unexplained A blinding flash of light Is the last thing they will say It's unexplained Lost at sea a mighty fleet Sends an s.o.s. in code 50 years it reappears Coffee isn't even cold Returning from its nowhere The crew was never found Their spirits haunt these ghost ships And they make such eerie sounds It's unexplained, it's unexplained Who knows what terror lies out there Far beyond the waves It's unexplained, it's unexplained Their souls the sea would claim It's unexplained