Blood chits were used by U.S. aviators as a way of communicating with non-English-speaking people. Made of leather, cotton, silk, or rayon, they served as a safe-conduct pass for a downed aviator in need of help from local people. This blood chit used during the Korean War is fabric printed with the U.S. flag and 10 languages including Japanese, Korean, Chinese, German, Burmese, French, Hindi, Russian, Urdu, and English. The English text reads: I am an American. I do not speak your language. Misfortune forces me to seek your assistance in obtaining food, shelter and protection from the communists. Please take me to someone who will provide for my safety and see that I am returned to my people. I will do my best to see that no harm comes to you. My government will reward you.