car behind us right now is the lincoln model k is one of the most significant presidential vehicles in that it is the first car specifically modified for presidential use. when i say that, i don't mean armored. nor was it modified to be more luxurious or flashy. instead, it was modified for practical purposes. for example the upholstery is , thicker than it would be on a standard lincoln because a lot of people were getting in and out of the car, putting a lot of where on that seat. this vehicle is most often's oftenated -- most associated with franklin roosevelt, and has a popular nickname, sunshine special, which comes partially from roosevelt's preference to ride with the top down -- it is a convertible -- whenever weather permitted, but also because of roosevelt's sunny optimism throughout the depression and world war ii. he maintained a sort of optimistic persona and his -- in his public appearances. this car was modified even more after pearl harbor was attacked in 1941. in fact, in early 1942, it went back to detroit, where lincoln was able to add some armor to the vehicle. ther