11. The "'U-30 Tow Tractor "'is an aircraft towing vehicle used by the United States and Allied Air Force. 12. Many older cars took the feeds for the trailer's lights directly from the towing vehicles rear light circuits. 13. Launching is often done by jogging down a slope, but winch launches behind a towing vehicle are also used. 14. An Israeli army spokesman in Jerusalem said its jets attacked guerrilla targets, destroying a Hezbollah gun and towing vehicle . 15. The system also contains also a twin pump unit attached to the free end of the towing vehicle engine. 16. Fifth Wheel towables are trailers that are designed to connect to the towing vehicle between the front and rear axles. 17. It is supplied by a convoy of 6 towing vehicles , which carry up to 20 tons each, and 17 sledges. 18. A "'Trailer light converter "'is an electrical component used for connecting the wiring of a trailer onto a towing vehicle . 19. A disadvantage of that is the " slam " transmitted into the towing vehicle with each push / pull load reversal. 20. These converters usually don't handle the case of separate position light circuits for left and right side in the towing vehicle .