I've seena few cars with Army, Air Force, and Marine livery... are these currently available or were they special runs? I would appreciate any pics or links if you have them - thanks!
MDC/Roundhouse had some of these (in particular Army boxes and DOD tanks) that I still see a lot in hobby shops. MTL has some that appear from time to time (flats and a Navy box that I remember). DeLuxe has a number of commemorative type cars (with markings to represent various historical units) that are still in production so far as I know.