In 1919, the U-S Army took a convoy of military vehicles across the country on the newly-formed Lincoln Highway. 90 years later a group of military vehicle enthusiasts are making a similar trip. On Friday, the convoy of 50 military vehicles stopped in Lexington for lunch. Besides the military vehicles, there are some-20 R-V's and pick-ups with trailers that are traveling along as support vehicles. The total convoy stretches for about two miles on the roadway. -O-