Historically, the real Captain was Benteen but in this movie he is called Captain Benton. I was hearing that said and to verify, I put the movie into mute sound and turned on the closed captions and it was indeed spelled Benton. I suspect this was due to the difficulty of the audience hearing the correct sound as other characters, i.e. Custer, Tom and Custer, George are kept with the correct names and also Major Reno. The Rosebud River is north and east of the Little Bighorn and was actually where one of the two Generals, either Crook or Terry, was defeated prior to the engagement at Little Big Horn. The battle of Little Bighorn was June 25, 1876 and some writers have speculated that Custer expected to ride in to Philadelphia for the national convention on the heels of his victory. A good biography is "Son of the Morning Star" by Evan S. Carlson. I have to agree that the movie is so bad that it is fun and somehow worth watching but, in perspective, a great film, "They Died with their Boots on" shares the same guilt with its lack of historical accuracy and I love "Boots" so it's the movie that counts in these cases, not the facts.