Living history groups with the special expertise to recreate the Mexican-American War battle of Churubusco (1847), filmed the battle in a field near Natchez, Mississippi. In mid-May, 1984, fourteen re-enactor units from a dozen states took a week's vacation from their regular jobs to stage what was to be the largest authentic encampment of Mexican War re-enactors ever held. More than 140 strong, they arrived at their own expense, bringing their own (and for the most part hand-made) period-correct uniforms, hand weapons and artillery, caissons, limbers, battery wagons, field ambulances, tenting and camping equipment. The production company provided water, hay, feed and straw for horses, reimbursement for powder, and made donations to each of the participating units.