Original WWII U.S. Army Caribbean Defense Command shoulder sleeve insignia (SSI). • Distinctive blue circular design featuring a white Spanish galleon with red cross • The Caribbean Defense Command was responsible for the defense of the Caribbean region and the strategically important Panama Canal during World War II • The insignia was approved during World War II and was later retained by U.S. Army Caribbean • Older fully embroidered cut-edge construction with exposed reverse stitching consistent with WWII-period manufacture • From an older organized U.S. military insignia collection • Previously part of the military insignia collection of longtime NASA Johnson Space Center engineer and administrator Daniel A. Nebrig • Vintage pre-owned condition with age-related wear; please review all front and back photos carefully for exact condition and construction Sold exactly as pictured. The patch has not been cleaned, repaired or altered. Additional vintage U.S. military patches from the same collection are being listed separately.