And from the Canadian border to the Rio Bravo, 10,000 Indians, Kiowa, Comanche, Arapaho, Sioux and Apache, under Sitting Bull and Crazy Horse, Gall and Crow King, are uniting in a common war against the United States Cavalry.

16 seconds sound clip from the She Wore a Yellow Ribbon movie soundboard.

You can hear this line at 00:02:25.781 in the Blu-ray version of the movie.

Quote context

[...]

- And around the bloody guidon of the immortal 7th Cavalry lie 212 officers and men.

- The Sioux and Cheyenne are on the Warpath.

- By military telegraph, news of the Custer massacre is flashed across the long, lonely miles to the Southwest.

- By stagecoach to the 100 settlements and the 1,000 farms standing under threat of an Indian uprising.

- Pony Express riders know that one more such defeat as Custer's, and it would be 100 years before another wagon train dared to cross the plains.

- And from the Canadian border to the Rio Bravo, 10,000 Indians, Kiowa, Comanche, Arapaho, Sioux and Apache, under Sitting Bull and Crazy Horse, Gall and Crow King, are uniting in a common war against the United States Cavalry.

- Hey! That's old Major Cheadle, the paymaster, ain't it?

- Yeah. Looks like we ain't going to get paid for another three months.

(BUGLE SOUNDING)

- And wherever the flag rises over some lonely Army post, there may be one man, one captain, fated to wield the sword of destiny.

[...]