Description
On a teal blue shield with a 1/8 inch (.32 cm) yellow border, 3 inches (7.62 cm) in height and 2 1/4 inches (5.72 cm) in width overall, a yellow lightning flash striking from upper dexter to sinister base, surmounted by a scarlet perpendicular guided missile. Worn 1/16 inch (.16 cm) above the shoulder sleeve insignia, a teal blue arc tab with a 1/8 inch (.32 cm) yellow border 11/16 inch (1.75 cm) in height and 2 1/4 inches (5.72 cm) in width overall, bearing the Arabic numeral “4,” 5/16 inch (.79 cm) in height between two dashes, all yellow.

Symbolism
The mission of the command is symbolized by the missile and lightning suggests readiness and retaliatory speed.

Background
The shoulder sleeve insignia was approved on 27 May 1958.