The top mistakes in The Horse Soldiers http://www.moviemistakes.com/film5802 en Sat, 11 Oct 2008 05:55:27 +0000 107205 The movie takes place in 1863, however, the Union cavalry troops are equipped with Springfield "Trapdoor" carbines, a weapon not introduced until 1873. 107204 When Colonel Marlowe blows the bridge near the end of the film, a pair of spectacular explosions ensue, tossing planks and beams into the air. However, as Hannah Hunter gazes at his retreating form, the bridge is still intact.