Figure 17. The J-frame with the Greene Bomber deployed on R/V ENDEAVOR 320. Note the way the towing line is lead through two blocks on the J-frame to enable the towed body to be picked up from the aft block and still be able to wind the cable onto the winch which lines up with the forward block. Also note that carabineers were used to keep the electrical cable Aattached@ to the towing line.