 Stopped dead, sir. They are? Dead for sure. Have a look. How far do you make them? Range 20 miles, Captain. Now they're sending modulated shortwave at us, sir. Frequency modulated? Yes, sir. Yes, I see your needle. Apparently a signal. Not enough power to do any harm. Look up in the left valve busy plate, sir. There's something now. Yes, I see movement on the outside of their hull.