Army - Ii Field Force W Airborne Tab Lrrp Long Sleeve100% comfortSoft cotton Double needle stitching throughout Coverseamed neck with lay flat collar Tag free neck label Shoulder to shoulder tape Comfortable rib knit cuffs Sport Grey is 99% cotton, 1% polyester; Light Steel is 90% cotton, 10% polyester II Field Force, Vietnam was a United States Army Corps level command during the Vietnam War. Activated on 15 March 1966, it became the largest corps command in Vietnam and one of the largest in Army