Set of 5 Tier One Navy Seal Team Six Challenge Coins DEVGRU Squadrons Blue, Gold, Black, Silver and Red. The coins are also available individually in our shop. DEVGRU is divided into color-coded line squadrons. Black Squadron (Intelligence / Sniper) 3″ x 2 1/4″ inches. Gold Squadron (Assault) 3 1/2″ x 2 3/4″ inches. Blue Squadron (Assault) 2 1/4 inches. Silver Squadron (Assault) 3 1/2″ x 3″ inches. Red Squadron (Assault) 3 1/2 x 2 1/2 inches. Grey Squadron (Mobility/Transportation) 3″ x 2 3/8″ inches. COIN STAND NOT INCLUDED.