Rare and very finely made Vietnam War-era flag, 54" x 44", constructed of red rayon and bearing an applied fabric depiction of a Soviet S-75 "Dvina" surface-to-air missile, with a burning American B-52 falling to earth embroidered in thread in the background. The image is flanked by the date "1971" embroidered in gold thread, with the embroidered dedication in Vietnamese "Khong Quan Nhan Dan Viet Nam" ("Air Force of Viet Nam") at top, and "267 SAM doan Dien Bien" ("SAM Group Dien Bien") at bottom, indicating that it was awarded to an air defense group in Dien Bien province for the destruction of American aircraft. The reverse of the flag depicts a finely embroidered State Emblem of the Soviet Union, with the embroidered dedication in Cyrillic "Proletariat of All the Countries Unite" at top, and "To 267th Air Defense Rocket Regiment Republic of Vietnam Dien Bien from Ministry of Defense U.S.S.R." at bottom. One edge is folded over and sewn to form a hoist, and the remaining flight edges are trimmed with a 2 1/2" fringe of yellow thread. In fine condition.