Shoulder Sleeve Insignia. Description: On a yellow shield with a 1/8 inch (.32 cm) blue border, 2 9/16 inches (6.51 cm) in height and 2 inches (5.08 cm) in width overall, a blue millrind throughout.
Symbolism: The millrind is the iron reinforcement fixed in the center of a millstone to support the stone as it revolves on its axle when grinding wheat. It is used in heraldry as a symbol of support. With the additional reference to wheat, the “staff of life,” the millrind stands for the vital and varied support furnished by the organization.
Background: The shoulder sleeve insignia was originally approved for the 1st Support Brigade on 11 February 1966. It was redesignated for the 21st Support Command on 15 October 1976. The insignia was amended to provide an addendum to be worn with a tab inscribed “AMF (L)” immediately above it by personnel of Headquarters Company, Allied Command, Europe Mobile Force (Land Component) on 17 February 1984. It was redesignated retroactive to 16 July 2007, for the 21st Sustainment Command with the description updated and amended to delete the authorization to wear the “AMF (L) tab.
Distinctive Unit Insignia. Description: A gold color metal and enamel device 1 1/4 inches (3.18 cm) in height and 1 3/16 inches (3.02 cm) in width overall consisting of a white rectangular device, with the longer sides vertical and the top and bottom convex, bearing a blue horizontal band and overall throughout a representation of a gold arrow charged with a blue double hook (wolf-trap); all above a gold scroll inscribed “FIRST IN SUPPORT” in blue letters.
Symbolism: The blue band is symbolic of the Rhine River Valley, the first geographical support area of the organization. The broad golden arrow depicts the unit’s mission awareness and its logistical strength. The charging of the arrow with double hook, the symbol for a wolf-trap, from the arms of the city of Mannheim, alludes to the birthplace and headquarters of the organization. The scroll bears the unit’s motto and purpose: “First In Support.”
Background: The distinctive unit insignia was originally approved for the 1st Support Brigade on 11 April 1966. It was redesignated for the 21st Support Command on 15 October 1976. The insignia was redesignated retroactive to 16 July 2007, for the 21st Sustainment Command with the description updated.