Silk was specified for blood chits because it was lightweight enough to add to flight gear without meaningful weight penalty
Short-sheared sheepskin — replicates the field-modified RAF pilot trim for cockpit mobility
Full front zipper with leather pull
Velcro-close cargo pockets
Air Force Wing & Star embroidered patch on the left sleeve
Vietnam Era Silk Blood Chit Product Type_Military Jacket Silk was specified for bloodThe Vietnam Era blood chit was issued to USAF, USN, and USMC aircrew flying over Southeast Asia the longest running blood chit program in American military history, spanning from the early 1960s through 1975. The Vietnam blood chit contains survival text in 12 languages covering the complex linguistic landscape of the theater: Vietnamese (northern and southern dialects), Khmer, Lao, Thai, Malay, Indonesian, Tagalog, and others reflecting the